Home / 7,983.08-11,958.43-3,702.78

Finding the Fourth Proportional to 7,983.08, 11,958.43 and 3,702.78

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Solution

The fourth proportional to 7,983.08, 11,958.43 and 3,702.78 is: 5,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.08 : 11,958.43 = 3,702.78 : x
  2. Step 2: Convert to fraction form
    7,983.08/11,958.43 = 3,702.78/x
  3. Step 3: Cross multiply
    7,983.08x = 11,958.43 × 3,702.78
  4. Step 4: Simplify right side
    7,983.08x = 44,279,435.44
  5. Step 5: Solve for x
    x = 44,279,435.44/7,983.08
  6. Step 6: Final answer
    x = 5,546.66

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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.