Home / 9,155.20-13,732.86-2,581.48

Finding the Fourth Proportional to 9,155.20, 13,732.86 and 2,581.48

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Solution

The fourth proportional to 9,155.20, 13,732.86 and 2,581.48 is: 3,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.20 : 13,732.86 = 2,581.48 : x
  2. Step 2: Convert to fraction form
    9,155.20/13,732.86 = 2,581.48/x
  3. Step 3: Cross multiply
    9,155.20x = 13,732.86 × 2,581.48
  4. Step 4: Simplify right side
    9,155.20x = 35,451,103.43
  5. Step 5: Solve for x
    x = 35,451,103.43/9,155.20
  6. Step 6: Final answer
    x = 3,872.24

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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.