Home / 5,500.20-8,254.38-3,423.22

Finding the Fourth Proportional to 5,500.20, 8,254.38 and 3,423.22

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Solution

The fourth proportional to 5,500.20, 8,254.38 and 3,423.22 is: 5,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.20 : 8,254.38 = 3,423.22 : x
  2. Step 2: Convert to fraction form
    5,500.20/8,254.38 = 3,423.22/x
  3. Step 3: Cross multiply
    5,500.20x = 8,254.38 × 3,423.22
  4. Step 4: Simplify right side
    5,500.20x = 28,256,558.70
  5. Step 5: Solve for x
    x = 28,256,558.70/5,500.20
  6. Step 6: Final answer
    x = 5,137.37

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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.