Home / 4,451.28-6,139.68-3,612

Finding the Fourth Proportional to 4,451.28, 6,139.68 and 3,612

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Solution

The fourth proportional to 4,451.28, 6,139.68 and 3,612 is: 4,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.28 : 6,139.68 = 3,612 : x
  2. Step 2: Convert to fraction form
    4,451.28/6,139.68 = 3,612/x
  3. Step 3: Cross multiply
    4,451.28x = 6,139.68 × 3,612
  4. Step 4: Simplify right side
    4,451.28x = 22,176,524.16
  5. Step 5: Solve for x
    x = 22,176,524.16/4,451.28
  6. Step 6: Final answer
    x = 4,982.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.