Home / 8,082.57-12,123.86-2,239.23

Finding the Fourth Proportional to 8,082.57, 12,123.86 and 2,239.23

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Solution

The fourth proportional to 8,082.57, 12,123.86 and 2,239.23 is: 3,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.57 : 12,123.86 = 2,239.23 : x
  2. Step 2: Convert to fraction form
    8,082.57/12,123.86 = 2,239.23/x
  3. Step 3: Cross multiply
    8,082.57x = 12,123.86 × 2,239.23
  4. Step 4: Simplify right side
    8,082.57x = 27,148,099.83
  5. Step 5: Solve for x
    x = 27,148,099.83/8,082.57
  6. Step 6: Final answer
    x = 3,358.85

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Similar ratio
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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.