Home / 8,229.60-11,357.67-4,692.78

Finding the Fourth Proportional to 8,229.60, 11,357.67 and 4,692.78

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Solution

The fourth proportional to 8,229.60, 11,357.67 and 4,692.78 is: 6,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.60 : 11,357.67 = 4,692.78 : x
  2. Step 2: Convert to fraction form
    8,229.60/11,357.67 = 4,692.78/x
  3. Step 3: Cross multiply
    8,229.60x = 11,357.67 × 4,692.78
  4. Step 4: Simplify right side
    8,229.60x = 53,299,046.62
  5. Step 5: Solve for x
    x = 53,299,046.62/8,229.60
  6. Step 6: Final answer
    x = 6,476.51

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1.5x scale

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.