Home / 8,098.43-12,147.57-3,171.51

Finding the Fourth Proportional to 8,098.43, 12,147.57 and 3,171.51

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Solution

The fourth proportional to 8,098.43, 12,147.57 and 3,171.51 is: 4,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.43 : 12,147.57 = 3,171.51 : x
  2. Step 2: Convert to fraction form
    8,098.43/12,147.57 = 3,171.51/x
  3. Step 3: Cross multiply
    8,098.43x = 12,147.57 × 3,171.51
  4. Step 4: Simplify right side
    8,098.43x = 38,526,139.73
  5. Step 5: Solve for x
    x = 38,526,139.73/8,098.43
  6. Step 6: Final answer
    x = 4,757.24

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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.