Home / 7,211.57-9,951.93-4,067.73

Finding the Fourth Proportional to 7,211.57, 9,951.93 and 4,067.73

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Solution

The fourth proportional to 7,211.57, 9,951.93 and 4,067.73 is: 5,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.57 : 9,951.93 = 4,067.73 : x
  2. Step 2: Convert to fraction form
    7,211.57/9,951.93 = 4,067.73/x
  3. Step 3: Cross multiply
    7,211.57x = 9,951.93 × 4,067.73
  4. Step 4: Simplify right side
    7,211.57x = 40,481,764.22
  5. Step 5: Solve for x
    x = 40,481,764.22/7,211.57
  6. Step 6: Final answer
    x = 5,613.45

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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.