Home / 8,080.88-11,151.77-5,286.38

Finding the Fourth Proportional to 8,080.88, 11,151.77 and 5,286.38

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Solution

The fourth proportional to 8,080.88, 11,151.77 and 5,286.38 is: 7,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.88 : 11,151.77 = 5,286.38 : x
  2. Step 2: Convert to fraction form
    8,080.88/11,151.77 = 5,286.38/x
  3. Step 3: Cross multiply
    8,080.88x = 11,151.77 × 5,286.38
  4. Step 4: Simplify right side
    8,080.88x = 58,952,411.70
  5. Step 5: Solve for x
    x = 58,952,411.70/8,080.88
  6. Step 6: Final answer
    x = 7,295.30

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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.