Home / 7,211.45-9,951.71-4,067.64

Finding the Fourth Proportional to 7,211.45, 9,951.71 and 4,067.64

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Solution

The fourth proportional to 7,211.45, 9,951.71 and 4,067.64 is: 5,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.45 : 9,951.71 = 4,067.64 : x
  2. Step 2: Convert to fraction form
    7,211.45/9,951.71 = 4,067.64/x
  3. Step 3: Cross multiply
    7,211.45x = 9,951.71 × 4,067.64
  4. Step 4: Simplify right side
    7,211.45x = 40,479,953.33
  5. Step 5: Solve for x
    x = 40,479,953.33/7,211.45
  6. Step 6: Final answer
    x = 5,613.29

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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.