Home / 9,107.20-13,641.36-5,633.92

Finding the Fourth Proportional to 9,107.20, 13,641.36 and 5,633.92

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Solution

The fourth proportional to 9,107.20, 13,641.36 and 5,633.92 is: 8,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.20 : 13,641.36 = 5,633.92 : x
  2. Step 2: Convert to fraction form
    9,107.20/13,641.36 = 5,633.92/x
  3. Step 3: Cross multiply
    9,107.20x = 13,641.36 × 5,633.92
  4. Step 4: Simplify right side
    9,107.20x = 76,854,330.93
  5. Step 5: Solve for x
    x = 76,854,330.93/9,107.20
  6. Step 6: Final answer
    x = 8,438.85

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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.