Home / 8,105.10-11,188.62-5,976.96

Finding the Fourth Proportional to 8,105.10, 11,188.62 and 5,976.96

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Solution

The fourth proportional to 8,105.10, 11,188.62 and 5,976.96 is: 8,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.10 : 11,188.62 = 5,976.96 : x
  2. Step 2: Convert to fraction form
    8,105.10/11,188.62 = 5,976.96/x
  3. Step 3: Cross multiply
    8,105.10x = 11,188.62 × 5,976.96
  4. Step 4: Simplify right side
    8,105.10x = 66,873,934.20
  5. Step 5: Solve for x
    x = 66,873,934.20/8,105.10
  6. Step 6: Final answer
    x = 8,250.85

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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.