Home / 5,481.30-8,217.90-2,845.02

Finding the Fourth Proportional to 5,481.30, 8,217.90 and 2,845.02

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Solution

The fourth proportional to 5,481.30, 8,217.90 and 2,845.02 is: 4,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.30 : 8,217.90 = 2,845.02 : x
  2. Step 2: Convert to fraction form
    5,481.30/8,217.90 = 2,845.02/x
  3. Step 3: Cross multiply
    5,481.30x = 8,217.90 × 2,845.02
  4. Step 4: Simplify right side
    5,481.30x = 23,380,089.86
  5. Step 5: Solve for x
    x = 23,380,089.86/5,481.30
  6. Step 6: Final answer
    x = 4,265.43

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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.