Home / 5,538.22-8,308.20-2,251.60

Finding the Fourth Proportional to 5,538.22, 8,308.20 and 2,251.60

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Solution

The fourth proportional to 5,538.22, 8,308.20 and 2,251.60 is: 3,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.22 : 8,308.20 = 2,251.60 : x
  2. Step 2: Convert to fraction form
    5,538.22/8,308.20 = 2,251.60/x
  3. Step 3: Cross multiply
    5,538.22x = 8,308.20 × 2,251.60
  4. Step 4: Simplify right side
    5,538.22x = 18,706,743.12
  5. Step 5: Solve for x
    x = 18,706,743.12/5,538.22
  6. Step 6: Final answer
    x = 3,377.75

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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.