Home / 5,517.44-8,278.46-2,229.69

Finding the Fourth Proportional to 5,517.44, 8,278.46 and 2,229.69

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Solution

The fourth proportional to 5,517.44, 8,278.46 and 2,229.69 is: 3,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.44 : 8,278.46 = 2,229.69 : x
  2. Step 2: Convert to fraction form
    5,517.44/8,278.46 = 2,229.69/x
  3. Step 3: Cross multiply
    5,517.44x = 8,278.46 × 2,229.69
  4. Step 4: Simplify right side
    5,517.44x = 18,458,388.33
  5. Step 5: Solve for x
    x = 18,458,388.33/5,517.44
  6. Step 6: Final answer
    x = 3,345.47

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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.