Home / 7,972.20-11,957.88-2,425.41

Finding the Fourth Proportional to 7,972.20, 11,957.88 and 2,425.41

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Solution

The fourth proportional to 7,972.20, 11,957.88 and 2,425.41 is: 3,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.20 : 11,957.88 = 2,425.41 : x
  2. Step 2: Convert to fraction form
    7,972.20/11,957.88 = 2,425.41/x
  3. Step 3: Cross multiply
    7,972.20x = 11,957.88 × 2,425.41
  4. Step 4: Simplify right side
    7,972.20x = 29,002,761.73
  5. Step 5: Solve for x
    x = 29,002,761.73/7,972.20
  6. Step 6: Final answer
    x = 3,637.99

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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.