Home / 7,928.43-11,876.49-3,755.79

Finding the Fourth Proportional to 7,928.43, 11,876.49 and 3,755.79

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Solution

The fourth proportional to 7,928.43, 11,876.49 and 3,755.79 is: 5,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.43 : 11,876.49 = 3,755.79 : x
  2. Step 2: Convert to fraction form
    7,928.43/11,876.49 = 3,755.79/x
  3. Step 3: Cross multiply
    7,928.43x = 11,876.49 × 3,755.79
  4. Step 4: Simplify right side
    7,928.43x = 44,605,542.99
  5. Step 5: Solve for x
    x = 44,605,542.99/7,928.43
  6. Step 6: Final answer
    x = 5,626.03

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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.