Home / 8,855.20-12,223.26-5,500.60

Finding the Fourth Proportional to 8,855.20, 12,223.26 and 5,500.60

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Solution

The fourth proportional to 8,855.20, 12,223.26 and 5,500.60 is: 7,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.20 : 12,223.26 = 5,500.60 : x
  2. Step 2: Convert to fraction form
    8,855.20/12,223.26 = 5,500.60/x
  3. Step 3: Cross multiply
    8,855.20x = 12,223.26 × 5,500.60
  4. Step 4: Simplify right side
    8,855.20x = 67,235,263.96
  5. Step 5: Solve for x
    x = 67,235,263.96/8,855.20
  6. Step 6: Final answer
    x = 7,592.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.