Home / 5,218.12-7,200.42-3,229.96

Finding the Fourth Proportional to 5,218.12, 7,200.42 and 3,229.96

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Solution

The fourth proportional to 5,218.12, 7,200.42 and 3,229.96 is: 4,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.12 : 7,200.42 = 3,229.96 : x
  2. Step 2: Convert to fraction form
    5,218.12/7,200.42 = 3,229.96/x
  3. Step 3: Cross multiply
    5,218.12x = 7,200.42 × 3,229.96
  4. Step 4: Simplify right side
    5,218.12x = 23,257,068.58
  5. Step 5: Solve for x
    x = 23,257,068.58/5,218.12
  6. Step 6: Final answer
    x = 4,456.98

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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.