Home / 4,481.33-6,177.82-2,988.70

Finding the Fourth Proportional to 4,481.33, 6,177.82 and 2,988.70

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Solution

The fourth proportional to 4,481.33, 6,177.82 and 2,988.70 is: 4,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.33 : 6,177.82 = 2,988.70 : x
  2. Step 2: Convert to fraction form
    4,481.33/6,177.82 = 2,988.70/x
  3. Step 3: Cross multiply
    4,481.33x = 6,177.82 × 2,988.70
  4. Step 4: Simplify right side
    4,481.33x = 18,463,633.32
  5. Step 5: Solve for x
    x = 18,463,633.32/4,481.33
  6. Step 6: Final answer
    x = 4,120.13

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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.