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Finding the Fourth Proportional to 5,250.38, 7,245.54 and 2,892.47

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Solution

The fourth proportional to 5,250.38, 7,245.54 and 2,892.47 is: 3,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.38 : 7,245.54 = 2,892.47 : x
  2. Step 2: Convert to fraction form
    5,250.38/7,245.54 = 2,892.47/x
  3. Step 3: Cross multiply
    5,250.38x = 7,245.54 × 2,892.47
  4. Step 4: Simplify right side
    5,250.38x = 20,957,470.86
  5. Step 5: Solve for x
    x = 20,957,470.86/5,250.38
  6. Step 6: Final answer
    x = 3,991.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.