Home / 5,679.30-7,839.06-3,793.62

Finding the Fourth Proportional to 5,679.30, 7,839.06 and 3,793.62

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Solution

The fourth proportional to 5,679.30, 7,839.06 and 3,793.62 is: 5,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.30 : 7,839.06 = 3,793.62 : x
  2. Step 2: Convert to fraction form
    5,679.30/7,839.06 = 3,793.62/x
  3. Step 3: Cross multiply
    5,679.30x = 7,839.06 × 3,793.62
  4. Step 4: Simplify right side
    5,679.30x = 29,738,414.80
  5. Step 5: Solve for x
    x = 29,738,414.80/5,679.30
  6. Step 6: Final answer
    x = 5,236.28

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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.