Home / 8,102.44-12,151.14-3,170.72

Finding the Fourth Proportional to 8,102.44, 12,151.14 and 3,170.72

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Solution

The fourth proportional to 8,102.44, 12,151.14 and 3,170.72 is: 4,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.44 : 12,151.14 = 3,170.72 : x
  2. Step 2: Convert to fraction form
    8,102.44/12,151.14 = 3,170.72/x
  3. Step 3: Cross multiply
    8,102.44x = 12,151.14 × 3,170.72
  4. Step 4: Simplify right side
    8,102.44x = 38,527,862.62
  5. Step 5: Solve for x
    x = 38,527,862.62/8,102.44
  6. Step 6: Final answer
    x = 4,755.09

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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.