Home / 5,500.20-8,255.10-4,401.80

Finding the Fourth Proportional to 5,500.20, 8,255.10 and 4,401.80

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Solution

The fourth proportional to 5,500.20, 8,255.10 and 4,401.80 is: 6,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.20 : 8,255.10 = 4,401.80 : x
  2. Step 2: Convert to fraction form
    5,500.20/8,255.10 = 4,401.80/x
  3. Step 3: Cross multiply
    5,500.20x = 8,255.10 × 4,401.80
  4. Step 4: Simplify right side
    5,500.20x = 36,337,299.18
  5. Step 5: Solve for x
    x = 36,337,299.18/5,500.20
  6. Step 6: Final answer
    x = 6,606.54

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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.