Home / 5,380.93-8,073.82-2,747.07

Finding the Fourth Proportional to 5,380.93, 8,073.82 and 2,747.07

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Solution

The fourth proportional to 5,380.93, 8,073.82 and 2,747.07 is: 4,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.93 : 8,073.82 = 2,747.07 : x
  2. Step 2: Convert to fraction form
    5,380.93/8,073.82 = 2,747.07/x
  3. Step 3: Cross multiply
    5,380.93x = 8,073.82 × 2,747.07
  4. Step 4: Simplify right side
    5,380.93x = 22,179,348.71
  5. Step 5: Solve for x
    x = 22,179,348.71/5,380.93
  6. Step 6: Final answer
    x = 4,121.85

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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.