Home / 5,545.77-8,321.97-2,213.43

Finding the Fourth Proportional to 5,545.77, 8,321.97 and 2,213.43

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Solution

The fourth proportional to 5,545.77, 8,321.97 and 2,213.43 is: 3,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.77 : 8,321.97 = 2,213.43 : x
  2. Step 2: Convert to fraction form
    5,545.77/8,321.97 = 2,213.43/x
  3. Step 3: Cross multiply
    5,545.77x = 8,321.97 × 2,213.43
  4. Step 4: Simplify right side
    5,545.77x = 18,420,098.06
  5. Step 5: Solve for x
    x = 18,420,098.06/5,545.77
  6. Step 6: Final answer
    x = 3,321.47

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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.