Home / 8,986.54-13,481.86-2,747.44

Finding the Fourth Proportional to 8,986.54, 13,481.86 and 2,747.44

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Solution

The fourth proportional to 8,986.54, 13,481.86 and 2,747.44 is: 4,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.54 : 13,481.86 = 2,747.44 : x
  2. Step 2: Convert to fraction form
    8,986.54/13,481.86 = 2,747.44/x
  3. Step 3: Cross multiply
    8,986.54x = 13,481.86 × 2,747.44
  4. Step 4: Simplify right side
    8,986.54x = 37,040,601.44
  5. Step 5: Solve for x
    x = 37,040,601.44/8,986.54
  6. Step 6: Final answer
    x = 4,121.79

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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.