Home / 8,115.28-11,198.22-5,991.96

Finding the Fourth Proportional to 8,115.28, 11,198.22 and 5,991.96

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Solution

The fourth proportional to 8,115.28, 11,198.22 and 5,991.96 is: 8,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.28 : 11,198.22 = 5,991.96 : x
  2. Step 2: Convert to fraction form
    8,115.28/11,198.22 = 5,991.96/x
  3. Step 3: Cross multiply
    8,115.28x = 11,198.22 × 5,991.96
  4. Step 4: Simplify right side
    8,115.28x = 67,099,286.31
  5. Step 5: Solve for x
    x = 67,099,286.31/8,115.28
  6. Step 6: Final answer
    x = 8,268.27

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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.