Home / 7,936.30-11,908.50-3,259.90

Finding the Fourth Proportional to 7,936.30, 11,908.50 and 3,259.90

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Solution

The fourth proportional to 7,936.30, 11,908.50 and 3,259.90 is: 4,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.30 : 11,908.50 = 3,259.90 : x
  2. Step 2: Convert to fraction form
    7,936.30/11,908.50 = 3,259.90/x
  3. Step 3: Cross multiply
    7,936.30x = 11,908.50 × 3,259.90
  4. Step 4: Simplify right side
    7,936.30x = 38,820,519.15
  5. Step 5: Solve for x
    x = 38,820,519.15/7,936.30
  6. Step 6: Final answer
    x = 4,891.51

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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.