Practice graphing proportional relationships and finding the constant of proportionality with this eighth-grade math worksheet! In this two-page worksheet, students are given several word problems, each of which contains a ratio that defines a proportional relationship between two quantities. Students will use the given ratios to find the constant of proportionality and draw a graph to represent each proportional relationship. This exercise is a great way to give learners practice recognizing and graphing proportional relationships, as well as seeing the concepts applied to real-world scenarios! Check out Graph Proportional Relationships #1 and Graph Proportional Relationships #2 for more targeted practice!