Home / 8,151.66-11,249.61-5,008.86

Finding the Fourth Proportional to 8,151.66, 11,249.61 and 5,008.86

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Solution

The fourth proportional to 8,151.66, 11,249.61 and 5,008.86 is: 6,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.66 : 11,249.61 = 5,008.86 : x
  2. Step 2: Convert to fraction form
    8,151.66/11,249.61 = 5,008.86/x
  3. Step 3: Cross multiply
    8,151.66x = 11,249.61 × 5,008.86
  4. Step 4: Simplify right side
    8,151.66x = 56,347,721.54
  5. Step 5: Solve for x
    x = 56,347,721.54/8,151.66
  6. Step 6: Final answer
    x = 6,912.42

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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.