Home / 8,099.90-11,177.92-5,117.08

Finding the Fourth Proportional to 8,099.90, 11,177.92 and 5,117.08

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Solution

The fourth proportional to 8,099.90, 11,177.92 and 5,117.08 is: 7,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.90 : 11,177.92 = 5,117.08 : x
  2. Step 2: Convert to fraction form
    8,099.90/11,177.92 = 5,117.08/x
  3. Step 3: Cross multiply
    8,099.90x = 11,177.92 × 5,117.08
  4. Step 4: Simplify right side
    8,099.90x = 57,198,310.87
  5. Step 5: Solve for x
    x = 57,198,310.87/8,099.90
  6. Step 6: Final answer
    x = 7,061.61

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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.