Home / 5,489.20-8,226.60-2,199.60

Finding the Fourth Proportional to 5,489.20, 8,226.60 and 2,199.60

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Solution

The fourth proportional to 5,489.20, 8,226.60 and 2,199.60 is: 3,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.20 : 8,226.60 = 2,199.60 : x
  2. Step 2: Convert to fraction form
    5,489.20/8,226.60 = 2,199.60/x
  3. Step 3: Cross multiply
    5,489.20x = 8,226.60 × 2,199.60
  4. Step 4: Simplify right side
    5,489.20x = 18,095,229.36
  5. Step 5: Solve for x
    x = 18,095,229.36/5,489.20
  6. Step 6: Final answer
    x = 3,296.51

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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.