Home / 8,882.16-12,260.90-5,344.70

Finding the Fourth Proportional to 8,882.16, 12,260.90 and 5,344.70

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Solution

The fourth proportional to 8,882.16, 12,260.90 and 5,344.70 is: 7,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.16 : 12,260.90 = 5,344.70 : x
  2. Step 2: Convert to fraction form
    8,882.16/12,260.90 = 5,344.70/x
  3. Step 3: Cross multiply
    8,882.16x = 12,260.90 × 5,344.70
  4. Step 4: Simplify right side
    8,882.16x = 65,530,744.20
  5. Step 5: Solve for x
    x = 65,530,744.20/8,882.16
  6. Step 6: Final answer
    x = 7,377.79

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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.