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Finding the Fourth Proportional to 7,960.88, 11,943.11 and 2,695.59

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Solution

The fourth proportional to 7,960.88, 11,943.11 and 2,695.59 is: 4,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.88 : 11,943.11 = 2,695.59 : x
  2. Step 2: Convert to fraction form
    7,960.88/11,943.11 = 2,695.59/x
  3. Step 3: Cross multiply
    7,960.88x = 11,943.11 × 2,695.59
  4. Step 4: Simplify right side
    7,960.88x = 32,193,734.62
  5. Step 5: Solve for x
    x = 32,193,734.62/7,960.88
  6. Step 6: Final answer
    x = 4,043.99

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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.