Home / 4,067.40-5,613.96-2,888.84

Finding the Fourth Proportional to 4,067.40, 5,613.96 and 2,888.84

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Solution

The fourth proportional to 4,067.40, 5,613.96 and 2,888.84 is: 3,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.40 : 5,613.96 = 2,888.84 : x
  2. Step 2: Convert to fraction form
    4,067.40/5,613.96 = 2,888.84/x
  3. Step 3: Cross multiply
    4,067.40x = 5,613.96 × 2,888.84
  4. Step 4: Simplify right side
    4,067.40x = 16,217,832.21
  5. Step 5: Solve for x
    x = 16,217,832.21/4,067.40
  6. Step 6: Final answer
    x = 3,987.27

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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.