Home / 8,101.13-12,151.69-2,257.90

Finding the Fourth Proportional to 8,101.13, 12,151.69 and 2,257.90

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Solution

The fourth proportional to 8,101.13, 12,151.69 and 2,257.90 is: 3,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.13 : 12,151.69 = 2,257.90 : x
  2. Step 2: Convert to fraction form
    8,101.13/12,151.69 = 2,257.90/x
  3. Step 3: Cross multiply
    8,101.13x = 12,151.69 × 2,257.90
  4. Step 4: Simplify right side
    8,101.13x = 27,437,264.83
  5. Step 5: Solve for x
    x = 27,437,264.83/8,101.13
  6. Step 6: Final answer
    x = 3,386.85

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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.