Home / 5,557.18-7,668.66-3,198.82

Finding the Fourth Proportional to 5,557.18, 7,668.66 and 3,198.82

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Solution

The fourth proportional to 5,557.18, 7,668.66 and 3,198.82 is: 4,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.18 : 7,668.66 = 3,198.82 : x
  2. Step 2: Convert to fraction form
    5,557.18/7,668.66 = 3,198.82/x
  3. Step 3: Cross multiply
    5,557.18x = 7,668.66 × 3,198.82
  4. Step 4: Simplify right side
    5,557.18x = 24,530,662.98
  5. Step 5: Solve for x
    x = 24,530,662.98/5,557.18
  6. Step 6: Final answer
    x = 4,414.23

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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.