Home / 8,123.28-12,183.05-2,575.59

Finding the Fourth Proportional to 8,123.28, 12,183.05 and 2,575.59

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Solution

The fourth proportional to 8,123.28, 12,183.05 and 2,575.59 is: 3,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.28 : 12,183.05 = 2,575.59 : x
  2. Step 2: Convert to fraction form
    8,123.28/12,183.05 = 2,575.59/x
  3. Step 3: Cross multiply
    8,123.28x = 12,183.05 × 2,575.59
  4. Step 4: Simplify right side
    8,123.28x = 31,378,541.75
  5. Step 5: Solve for x
    x = 31,378,541.75/8,123.28
  6. Step 6: Final answer
    x = 3,862.79

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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.