Home / 8,811.33-12,156.24-5,624.74

Finding the Fourth Proportional to 8,811.33, 12,156.24 and 5,624.74

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Solution

The fourth proportional to 8,811.33, 12,156.24 and 5,624.74 is: 7,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.33 : 12,156.24 = 5,624.74 : x
  2. Step 2: Convert to fraction form
    8,811.33/12,156.24 = 5,624.74/x
  3. Step 3: Cross multiply
    8,811.33x = 12,156.24 × 5,624.74
  4. Step 4: Simplify right side
    8,811.33x = 68,375,689.38
  5. Step 5: Solve for x
    x = 68,375,689.38/8,811.33
  6. Step 6: Final answer
    x = 7,759.97

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1.5x scale

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.