Home / 10,052.52-15,079.95-3,817.20

Finding the Fourth Proportional to 10,052.52, 15,079.95 and 3,817.20

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Solution

The fourth proportional to 10,052.52, 15,079.95 and 3,817.20 is: 5,726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,052.52 : 15,079.95 = 3,817.20 : x
  2. Step 2: Convert to fraction form
    10,052.52/15,079.95 = 3,817.20/x
  3. Step 3: Cross multiply
    10,052.52x = 15,079.95 × 3,817.20
  4. Step 4: Simplify right side
    10,052.52x = 57,563,185.14
  5. Step 5: Solve for x
    x = 57,563,185.14/10,052.52
  6. Step 6: Final answer
    x = 5,726.24

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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.