Home / 7,959.20-11,939.16-2,694.06

Finding the Fourth Proportional to 7,959.20, 11,939.16 and 2,694.06

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Solution

The fourth proportional to 7,959.20, 11,939.16 and 2,694.06 is: 4,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.20 : 11,939.16 = 2,694.06 : x
  2. Step 2: Convert to fraction form
    7,959.20/11,939.16 = 2,694.06/x
  3. Step 3: Cross multiply
    7,959.20x = 11,939.16 × 2,694.06
  4. Step 4: Simplify right side
    7,959.20x = 32,164,813.39
  5. Step 5: Solve for x
    x = 32,164,813.39/7,959.20
  6. Step 6: Final answer
    x = 4,041.21

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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.