Home / 5,394.97-8,086.38-2,755.09

Finding the Fourth Proportional to 5,394.97, 8,086.38 and 2,755.09

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Solution

The fourth proportional to 5,394.97, 8,086.38 and 2,755.09 is: 4,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.97 : 8,086.38 = 2,755.09 : x
  2. Step 2: Convert to fraction form
    5,394.97/8,086.38 = 2,755.09/x
  3. Step 3: Cross multiply
    5,394.97x = 8,086.38 × 2,755.09
  4. Step 4: Simplify right side
    5,394.97x = 22,278,704.67
  5. Step 5: Solve for x
    x = 22,278,704.67/5,394.97
  6. Step 6: Final answer
    x = 4,129.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.