Home / 7,957.03-11,936.90-3,279.57

Finding the Fourth Proportional to 7,957.03, 11,936.90 and 3,279.57

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Solution

The fourth proportional to 7,957.03, 11,936.90 and 3,279.57 is: 4,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.03 : 11,936.90 = 3,279.57 : x
  2. Step 2: Convert to fraction form
    7,957.03/11,936.90 = 3,279.57/x
  3. Step 3: Cross multiply
    7,957.03x = 11,936.90 × 3,279.57
  4. Step 4: Simplify right side
    7,957.03x = 39,147,899.13
  5. Step 5: Solve for x
    x = 39,147,899.13/7,957.03
  6. Step 6: Final answer
    x = 4,919.91

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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.