Home / 5,491.43-8,234.10-2,200.80

Finding the Fourth Proportional to 5,491.43, 8,234.10 and 2,200.80

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Solution

The fourth proportional to 5,491.43, 8,234.10 and 2,200.80 is: 3,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.43 : 8,234.10 = 2,200.80 : x
  2. Step 2: Convert to fraction form
    5,491.43/8,234.10 = 2,200.80/x
  3. Step 3: Cross multiply
    5,491.43x = 8,234.10 × 2,200.80
  4. Step 4: Simplify right side
    5,491.43x = 18,121,607.28
  5. Step 5: Solve for x
    x = 18,121,607.28/5,491.43
  6. Step 6: Final answer
    x = 3,299.98

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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.