Home / 8,958.43-13,419.16-5,249.41

Finding the Fourth Proportional to 8,958.43, 13,419.16 and 5,249.41

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Solution

The fourth proportional to 8,958.43, 13,419.16 and 5,249.41 is: 7,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.43 : 13,419.16 = 5,249.41 : x
  2. Step 2: Convert to fraction form
    8,958.43/13,419.16 = 5,249.41/x
  3. Step 3: Cross multiply
    8,958.43x = 13,419.16 × 5,249.41
  4. Step 4: Simplify right side
    8,958.43x = 70,442,672.70
  5. Step 5: Solve for x
    x = 70,442,672.70/8,958.43
  6. Step 6: Final answer
    x = 7,863.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.