Home / 8,082.11-12,115.37-2,531.55

Finding the Fourth Proportional to 8,082.11, 12,115.37 and 2,531.55

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Solution

The fourth proportional to 8,082.11, 12,115.37 and 2,531.55 is: 3,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.11 : 12,115.37 = 2,531.55 : x
  2. Step 2: Convert to fraction form
    8,082.11/12,115.37 = 2,531.55/x
  3. Step 3: Cross multiply
    8,082.11x = 12,115.37 × 2,531.55
  4. Step 4: Simplify right side
    8,082.11x = 30,670,652.27
  5. Step 5: Solve for x
    x = 30,670,652.27/8,082.11
  6. Step 6: Final answer
    x = 3,794.88

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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.