Home / 5,553.50-8,298.42-4,229.90

Finding the Fourth Proportional to 5,553.50, 8,298.42 and 4,229.90

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Solution

The fourth proportional to 5,553.50, 8,298.42 and 4,229.90 is: 6,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.50 : 8,298.42 = 4,229.90 : x
  2. Step 2: Convert to fraction form
    5,553.50/8,298.42 = 4,229.90/x
  3. Step 3: Cross multiply
    5,553.50x = 8,298.42 × 4,229.90
  4. Step 4: Simplify right side
    5,553.50x = 35,101,465.61
  5. Step 5: Solve for x
    x = 35,101,465.61/5,553.50
  6. Step 6: Final answer
    x = 6,320.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.