Home / 5,500.09-8,250.53-2,213.20

Finding the Fourth Proportional to 5,500.09, 8,250.53 and 2,213.20

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Solution

The fourth proportional to 5,500.09, 8,250.53 and 2,213.20 is: 3,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.09 : 8,250.53 = 2,213.20 : x
  2. Step 2: Convert to fraction form
    5,500.09/8,250.53 = 2,213.20/x
  3. Step 3: Cross multiply
    5,500.09x = 8,250.53 × 2,213.20
  4. Step 4: Simplify right side
    5,500.09x = 18,260,073.00
  5. Step 5: Solve for x
    x = 18,260,073.00/5,500.09
  6. Step 6: Final answer
    x = 3,319.96

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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.