Home / 9,155.68-13,733.52-3,609.61

Finding the Fourth Proportional to 9,155.68, 13,733.52 and 3,609.61

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Solution

The fourth proportional to 9,155.68, 13,733.52 and 3,609.61 is: 5,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.68 : 13,733.52 = 3,609.61 : x
  2. Step 2: Convert to fraction form
    9,155.68/13,733.52 = 3,609.61/x
  3. Step 3: Cross multiply
    9,155.68x = 13,733.52 × 3,609.61
  4. Step 4: Simplify right side
    9,155.68x = 49,572,651.13
  5. Step 5: Solve for x
    x = 49,572,651.13/9,155.68
  6. Step 6: Final answer
    x = 5,414.42

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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.