Home / 7,955.24-11,936.68-3,278.66

Finding the Fourth Proportional to 7,955.24, 11,936.68 and 3,278.66

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Solution

The fourth proportional to 7,955.24, 11,936.68 and 3,278.66 is: 4,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.24 : 11,936.68 = 3,278.66 : x
  2. Step 2: Convert to fraction form
    7,955.24/11,936.68 = 3,278.66/x
  3. Step 3: Cross multiply
    7,955.24x = 11,936.68 × 3,278.66
  4. Step 4: Simplify right side
    7,955.24x = 39,136,315.25
  5. Step 5: Solve for x
    x = 39,136,315.25/7,955.24
  6. Step 6: Final answer
    x = 4,919.56

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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.