Home / 5,845.68-8,766.90-2,147.76

Finding the Fourth Proportional to 5,845.68, 8,766.90 and 2,147.76

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Solution

The fourth proportional to 5,845.68, 8,766.90 and 2,147.76 is: 3,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.68 : 8,766.90 = 2,147.76 : x
  2. Step 2: Convert to fraction form
    5,845.68/8,766.90 = 2,147.76/x
  3. Step 3: Cross multiply
    5,845.68x = 8,766.90 × 2,147.76
  4. Step 4: Simplify right side
    5,845.68x = 18,829,197.14
  5. Step 5: Solve for x
    x = 18,829,197.14/5,845.68
  6. Step 6: Final answer
    x = 3,221.04

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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.