Home / 7,738.82-11,608.26-1,895.43

Finding the Fourth Proportional to 7,738.82, 11,608.26 and 1,895.43

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Solution

The fourth proportional to 7,738.82, 11,608.26 and 1,895.43 is: 2,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.82 : 11,608.26 = 1,895.43 : x
  2. Step 2: Convert to fraction form
    7,738.82/11,608.26 = 1,895.43/x
  3. Step 3: Cross multiply
    7,738.82x = 11,608.26 × 1,895.43
  4. Step 4: Simplify right side
    7,738.82x = 22,002,644.25
  5. Step 5: Solve for x
    x = 22,002,644.25/7,738.82
  6. Step 6: Final answer
    x = 2,843.15

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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.