Home / 4,067.76-5,613.88-2,299.72

Finding the Fourth Proportional to 4,067.76, 5,613.88 and 2,299.72

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Solution

The fourth proportional to 4,067.76, 5,613.88 and 2,299.72 is: 3,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.76 : 5,613.88 = 2,299.72 : x
  2. Step 2: Convert to fraction form
    4,067.76/5,613.88 = 2,299.72/x
  3. Step 3: Cross multiply
    4,067.76x = 5,613.88 × 2,299.72
  4. Step 4: Simplify right side
    4,067.76x = 12,910,352.11
  5. Step 5: Solve for x
    x = 12,910,352.11/4,067.76
  6. Step 6: Final answer
    x = 3,173.82

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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.