Home / 8,082.38-12,123.47-4,408.02

Finding the Fourth Proportional to 8,082.38, 12,123.47 and 4,408.02

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Solution

The fourth proportional to 8,082.38, 12,123.47 and 4,408.02 is: 6,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.38 : 12,123.47 = 4,408.02 : x
  2. Step 2: Convert to fraction form
    8,082.38/12,123.47 = 4,408.02/x
  3. Step 3: Cross multiply
    8,082.38x = 12,123.47 × 4,408.02
  4. Step 4: Simplify right side
    8,082.38x = 53,440,509.25
  5. Step 5: Solve for x
    x = 53,440,509.25/8,082.38
  6. Step 6: Final answer
    x = 6,611.97

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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.