Finding the Fourth Proportional to 7,132.26, 10,703.28 and 2,515.26
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Solution
The fourth proportional to 7,132.26, 10,703.28 and 2,515.26 is: 3,774.61
Step by Step Solution
- Step 1: Write the proportion equation
7,132.26 : 10,703.28 = 2,515.26 : x - Step 2: Convert to fraction form
7,132.26/10,703.28 = 2,515.26/x - Step 3: Cross multiply
7,132.26x = 10,703.28 × 2,515.26 - Step 4: Simplify right side
7,132.26x = 26,921,532.05 - Step 5: Solve for x
x = 26,921,532.05/7,132.26 - Step 6: Final answer
x = 3,774.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.