Home / 8,243.29-11,375.25-4,886.42

Finding the Fourth Proportional to 8,243.29, 11,375.25 and 4,886.42

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Solution

The fourth proportional to 8,243.29, 11,375.25 and 4,886.42 is: 6,742.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.29 : 11,375.25 = 4,886.42 : x
  2. Step 2: Convert to fraction form
    8,243.29/11,375.25 = 4,886.42/x
  3. Step 3: Cross multiply
    8,243.29x = 11,375.25 × 4,886.42
  4. Step 4: Simplify right side
    8,243.29x = 55,584,249.11
  5. Step 5: Solve for x
    x = 55,584,249.11/8,243.29
  6. Step 6: Final answer
    x = 6,742.97

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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.