Home / 9,242.31-12,753.45-5,262.60

Finding the Fourth Proportional to 9,242.31, 12,753.45 and 5,262.60

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Solution

The fourth proportional to 9,242.31, 12,753.45 and 5,262.60 is: 7,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.31 : 12,753.45 = 5,262.60 : x
  2. Step 2: Convert to fraction form
    9,242.31/12,753.45 = 5,262.60/x
  3. Step 3: Cross multiply
    9,242.31x = 12,753.45 × 5,262.60
  4. Step 4: Simplify right side
    9,242.31x = 67,116,305.97
  5. Step 5: Solve for x
    x = 67,116,305.97/9,242.31
  6. Step 6: Final answer
    x = 7,261.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.