Home / 10,262.32-15,391.80-3,687.28

Finding the Fourth Proportional to 10,262.32, 15,391.80 and 3,687.28

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Solution

The fourth proportional to 10,262.32, 15,391.80 and 3,687.28 is: 5,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.32 : 15,391.80 = 3,687.28 : x
  2. Step 2: Convert to fraction form
    10,262.32/15,391.80 = 3,687.28/x
  3. Step 3: Cross multiply
    10,262.32x = 15,391.80 × 3,687.28
  4. Step 4: Simplify right side
    10,262.32x = 56,753,876.30
  5. Step 5: Solve for x
    x = 56,753,876.30/10,262.32
  6. Step 6: Final answer
    x = 5,530.32

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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.