Home / 5,480.82-8,217.96-2,195.46

Finding the Fourth Proportional to 5,480.82, 8,217.96 and 2,195.46

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Solution

The fourth proportional to 5,480.82, 8,217.96 and 2,195.46 is: 3,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.82 : 8,217.96 = 2,195.46 : x
  2. Step 2: Convert to fraction form
    5,480.82/8,217.96 = 2,195.46/x
  3. Step 3: Cross multiply
    5,480.82x = 8,217.96 × 2,195.46
  4. Step 4: Simplify right side
    5,480.82x = 18,042,202.46
  5. Step 5: Solve for x
    x = 18,042,202.46/5,480.82
  6. Step 6: Final answer
    x = 3,291.88

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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.