Home / 5,125.47-7,691.84-1,839.04

Finding the Fourth Proportional to 5,125.47, 7,691.84 and 1,839.04

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Solution

The fourth proportional to 5,125.47, 7,691.84 and 1,839.04 is: 2,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.47 : 7,691.84 = 1,839.04 : x
  2. Step 2: Convert to fraction form
    5,125.47/7,691.84 = 1,839.04/x
  3. Step 3: Cross multiply
    5,125.47x = 7,691.84 × 1,839.04
  4. Step 4: Simplify right side
    5,125.47x = 14,145,601.43
  5. Step 5: Solve for x
    x = 14,145,601.43/5,125.47
  6. Step 6: Final answer
    x = 2,759.86

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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.