Home / 7,961.02-11,936.67-3,279.58

Finding the Fourth Proportional to 7,961.02, 11,936.67 and 3,279.58

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Solution

The fourth proportional to 7,961.02, 11,936.67 and 3,279.58 is: 4,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.02 : 11,936.67 = 3,279.58 : x
  2. Step 2: Convert to fraction form
    7,961.02/11,936.67 = 3,279.58/x
  3. Step 3: Cross multiply
    7,961.02x = 11,936.67 × 3,279.58
  4. Step 4: Simplify right side
    7,961.02x = 39,147,264.20
  5. Step 5: Solve for x
    x = 39,147,264.20/7,961.02
  6. Step 6: Final answer
    x = 4,917.37

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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.