Home / 4,481.25-6,721.88-2,134.14

Finding the Fourth Proportional to 4,481.25, 6,721.88 and 2,134.14

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Solution

The fourth proportional to 4,481.25, 6,721.88 and 2,134.14 is: 3,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.25 : 6,721.88 = 2,134.14 : x
  2. Step 2: Convert to fraction form
    4,481.25/6,721.88 = 2,134.14/x
  3. Step 3: Cross multiply
    4,481.25x = 6,721.88 × 2,134.14
  4. Step 4: Simplify right side
    4,481.25x = 14,345,419.93
  5. Step 5: Solve for x
    x = 14,345,419.93/4,481.25
  6. Step 6: Final answer
    x = 3,201.21

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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.