Home / 8,276.28-12,418.16-3,082.56

Finding the Fourth Proportional to 8,276.28, 12,418.16 and 3,082.56

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Solution

The fourth proportional to 8,276.28, 12,418.16 and 3,082.56 is: 4,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.28 : 12,418.16 = 3,082.56 : x
  2. Step 2: Convert to fraction form
    8,276.28/12,418.16 = 3,082.56/x
  3. Step 3: Cross multiply
    8,276.28x = 12,418.16 × 3,082.56
  4. Step 4: Simplify right side
    8,276.28x = 38,279,723.29
  5. Step 5: Solve for x
    x = 38,279,723.29/8,276.28
  6. Step 6: Final answer
    x = 4,625.23

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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.