Home / 7,211.69-9,952.43-4,067.88

Finding the Fourth Proportional to 7,211.69, 9,952.43 and 4,067.88

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Solution

The fourth proportional to 7,211.69, 9,952.43 and 4,067.88 is: 5,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.69 : 9,952.43 = 4,067.88 : x
  2. Step 2: Convert to fraction form
    7,211.69/9,952.43 = 4,067.88/x
  3. Step 3: Cross multiply
    7,211.69x = 9,952.43 × 4,067.88
  4. Step 4: Simplify right side
    7,211.69x = 40,485,290.95
  5. Step 5: Solve for x
    x = 40,485,290.95/7,211.69
  6. Step 6: Final answer
    x = 5,613.84

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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.