Home / 5,679.06-8,517.38-1,729.44

Finding the Fourth Proportional to 5,679.06, 8,517.38 and 1,729.44

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Solution

The fourth proportional to 5,679.06, 8,517.38 and 1,729.44 is: 2,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.06 : 8,517.38 = 1,729.44 : x
  2. Step 2: Convert to fraction form
    5,679.06/8,517.38 = 1,729.44/x
  3. Step 3: Cross multiply
    5,679.06x = 8,517.38 × 1,729.44
  4. Step 4: Simplify right side
    5,679.06x = 14,730,289.02
  5. Step 5: Solve for x
    x = 14,730,289.02/5,679.06
  6. Step 6: Final answer
    x = 2,593.79

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1.5x scale

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.