Home / 8,082.42-12,123.64-2,239.04

Finding the Fourth Proportional to 8,082.42, 12,123.64 and 2,239.04

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Solution

The fourth proportional to 8,082.42, 12,123.64 and 2,239.04 is: 3,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.42 : 12,123.64 = 2,239.04 : x
  2. Step 2: Convert to fraction form
    8,082.42/12,123.64 = 2,239.04/x
  3. Step 3: Cross multiply
    8,082.42x = 12,123.64 × 2,239.04
  4. Step 4: Simplify right side
    8,082.42x = 27,145,309.31
  5. Step 5: Solve for x
    x = 27,145,309.31/8,082.42
  6. Step 6: Final answer
    x = 3,358.56

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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.