Home / 9,170.97-13,753.75-3,905.92

Finding the Fourth Proportional to 9,170.97, 13,753.75 and 3,905.92

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Solution

The fourth proportional to 9,170.97, 13,753.75 and 3,905.92 is: 5,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.97 : 13,753.75 = 3,905.92 : x
  2. Step 2: Convert to fraction form
    9,170.97/13,753.75 = 3,905.92/x
  3. Step 3: Cross multiply
    9,170.97x = 13,753.75 × 3,905.92
  4. Step 4: Simplify right side
    9,170.97x = 53,721,047.20
  5. Step 5: Solve for x
    x = 53,721,047.20/9,170.97
  6. Step 6: Final answer
    x = 5,857.73

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1.5x scale

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.