Home / 7,961.64-11,942.32-2,767.38

Finding the Fourth Proportional to 7,961.64, 11,942.32 and 2,767.38

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Solution

The fourth proportional to 7,961.64, 11,942.32 and 2,767.38 is: 4,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.64 : 11,942.32 = 2,767.38 : x
  2. Step 2: Convert to fraction form
    7,961.64/11,942.32 = 2,767.38/x
  3. Step 3: Cross multiply
    7,961.64x = 11,942.32 × 2,767.38
  4. Step 4: Simplify right side
    7,961.64x = 33,048,863.97
  5. Step 5: Solve for x
    x = 33,048,863.97/7,961.64
  6. Step 6: Final answer
    x = 4,151.01

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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.