Finding the Fourth Proportional to 3,715.12, 5,573.76 and 3,062.80
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Solution
The fourth proportional to 3,715.12, 5,573.76 and 3,062.80 is: 4,595.09
Step by Step Solution
- Step 1: Write the proportion equation
3,715.12 : 5,573.76 = 3,062.80 : x - Step 2: Convert to fraction form
3,715.12/5,573.76 = 3,062.80/x - Step 3: Cross multiply
3,715.12x = 5,573.76 × 3,062.80 - Step 4: Simplify right side
3,715.12x = 17,071,312.13 - Step 5: Solve for x
x = 17,071,312.13/3,715.12 - Step 6: Final answer
x = 4,595.09
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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.