Home / 10,572.58-15,857.49-3,997.91

Finding the Fourth Proportional to 10,572.58, 15,857.49 and 3,997.91

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Solution

The fourth proportional to 10,572.58, 15,857.49 and 3,997.91 is: 5,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.58 : 15,857.49 = 3,997.91 : x
  2. Step 2: Convert to fraction form
    10,572.58/15,857.49 = 3,997.91/x
  3. Step 3: Cross multiply
    10,572.58x = 15,857.49 × 3,997.91
  4. Step 4: Simplify right side
    10,572.58x = 63,396,760.80
  5. Step 5: Solve for x
    x = 63,396,760.80/10,572.58
  6. Step 6: Final answer
    x = 5,996.34

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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.