Home / 8,988.03-13,481.91-3,144.42

Finding the Fourth Proportional to 8,988.03, 13,481.91 and 3,144.42

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Solution

The fourth proportional to 8,988.03, 13,481.91 and 3,144.42 is: 4,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.03 : 13,481.91 = 3,144.42 : x
  2. Step 2: Convert to fraction form
    8,988.03/13,481.91 = 3,144.42/x
  3. Step 3: Cross multiply
    8,988.03x = 13,481.91 × 3,144.42
  4. Step 4: Simplify right side
    8,988.03x = 42,392,787.44
  5. Step 5: Solve for x
    x = 42,392,787.44/8,988.03
  6. Step 6: Final answer
    x = 4,716.58

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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.