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Finding the Fourth Proportional to 10,490.97, 15,737.52 and 3,471

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Solution

The fourth proportional to 10,490.97, 15,737.52 and 3,471 is: 5,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.97 : 15,737.52 = 3,471 : x
  2. Step 2: Convert to fraction form
    10,490.97/15,737.52 = 3,471/x
  3. Step 3: Cross multiply
    10,490.97x = 15,737.52 × 3,471
  4. Step 4: Simplify right side
    10,490.97x = 54,624,931.92
  5. Step 5: Solve for x
    x = 54,624,931.92/10,490.97
  6. Step 6: Final answer
    x = 5,206.85

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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.