Home / 8,100.88-12,151.42-2,257.13

Finding the Fourth Proportional to 8,100.88, 12,151.42 and 2,257.13

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Solution

The fourth proportional to 8,100.88, 12,151.42 and 2,257.13 is: 3,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.88 : 12,151.42 = 2,257.13 : x
  2. Step 2: Convert to fraction form
    8,100.88/12,151.42 = 2,257.13/x
  3. Step 3: Cross multiply
    8,100.88x = 12,151.42 × 2,257.13
  4. Step 4: Simplify right side
    8,100.88x = 27,427,359.36
  5. Step 5: Solve for x
    x = 27,427,359.36/8,100.88
  6. Step 6: Final answer
    x = 3,385.73

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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.