Home / 5,627.80-7,766.85-3,269.89

Finding the Fourth Proportional to 5,627.80, 7,766.85 and 3,269.89

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Solution

The fourth proportional to 5,627.80, 7,766.85 and 3,269.89 is: 4,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.80 : 7,766.85 = 3,269.89 : x
  2. Step 2: Convert to fraction form
    5,627.80/7,766.85 = 3,269.89/x
  3. Step 3: Cross multiply
    5,627.80x = 7,766.85 × 3,269.89
  4. Step 4: Simplify right side
    5,627.80x = 25,396,745.15
  5. Step 5: Solve for x
    x = 25,396,745.15/5,627.80
  6. Step 6: Final answer
    x = 4,512.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.