Finding the Fourth Proportional to 10,327.59, 15,490.44 and 3,402.09
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Solution
The fourth proportional to 10,327.59, 15,490.44 and 3,402.09 is: 5,102.82
Step by Step Solution
- Step 1: Write the proportion equation
10,327.59 : 15,490.44 = 3,402.09 : x - Step 2: Convert to fraction form
10,327.59/15,490.44 = 3,402.09/x - Step 3: Cross multiply
10,327.59x = 15,490.44 × 3,402.09 - Step 4: Simplify right side
10,327.59x = 52,699,854.01 - Step 5: Solve for x
x = 52,699,854.01/10,327.59 - Step 6: Final answer
x = 5,102.82
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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.