Home / 4,914.03-7,364.82-2,138.97

Finding the Fourth Proportional to 4,914.03, 7,364.82 and 2,138.97

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Solution

The fourth proportional to 4,914.03, 7,364.82 and 2,138.97 is: 3,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.03 : 7,364.82 = 2,138.97 : x
  2. Step 2: Convert to fraction form
    4,914.03/7,364.82 = 2,138.97/x
  3. Step 3: Cross multiply
    4,914.03x = 7,364.82 × 2,138.97
  4. Step 4: Simplify right side
    4,914.03x = 15,753,129.04
  5. Step 5: Solve for x
    x = 15,753,129.04/4,914.03
  6. Step 6: Final answer
    x = 3,205.75

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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.