Home / 7,960.52-11,935.92-3,279.08

Finding the Fourth Proportional to 7,960.52, 11,935.92 and 3,279.08

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Solution

The fourth proportional to 7,960.52, 11,935.92 and 3,279.08 is: 4,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.52 : 11,935.92 = 3,279.08 : x
  2. Step 2: Convert to fraction form
    7,960.52/11,935.92 = 3,279.08/x
  3. Step 3: Cross multiply
    7,960.52x = 11,935.92 × 3,279.08
  4. Step 4: Simplify right side
    7,960.52x = 39,138,836.55
  5. Step 5: Solve for x
    x = 39,138,836.55/7,960.52
  6. Step 6: Final answer
    x = 4,916.62

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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.