Home / 7,960.64-11,942.88-2,767.04

Finding the Fourth Proportional to 7,960.64, 11,942.88 and 2,767.04

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Solution

The fourth proportional to 7,960.64, 11,942.88 and 2,767.04 is: 4,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.64 : 11,942.88 = 2,767.04 : x
  2. Step 2: Convert to fraction form
    7,960.64/11,942.88 = 2,767.04/x
  3. Step 3: Cross multiply
    7,960.64x = 11,942.88 × 2,767.04
  4. Step 4: Simplify right side
    7,960.64x = 33,046,426.68
  5. Step 5: Solve for x
    x = 33,046,426.68/7,960.64
  6. Step 6: Final answer
    x = 4,151.23

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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.