Home / 5,553.75-8,332.29-3,213.21

Finding the Fourth Proportional to 5,553.75, 8,332.29 and 3,213.21

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Solution

The fourth proportional to 5,553.75, 8,332.29 and 3,213.21 is: 4,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.75 : 8,332.29 = 3,213.21 : x
  2. Step 2: Convert to fraction form
    5,553.75/8,332.29 = 3,213.21/x
  3. Step 3: Cross multiply
    5,553.75x = 8,332.29 × 3,213.21
  4. Step 4: Simplify right side
    5,553.75x = 26,773,397.55
  5. Step 5: Solve for x
    x = 26,773,397.55/5,553.75
  6. Step 6: Final answer
    x = 4,820.78

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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.