Home / 7,622.28-11,434.78-2,694.78

Finding the Fourth Proportional to 7,622.28, 11,434.78 and 2,694.78

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Solution

The fourth proportional to 7,622.28, 11,434.78 and 2,694.78 is: 4,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.28 : 11,434.78 = 2,694.78 : x
  2. Step 2: Convert to fraction form
    7,622.28/11,434.78 = 2,694.78/x
  3. Step 3: Cross multiply
    7,622.28x = 11,434.78 × 2,694.78
  4. Step 4: Simplify right side
    7,622.28x = 30,814,216.45
  5. Step 5: Solve for x
    x = 30,814,216.45/7,622.28
  6. Step 6: Final answer
    x = 4,042.65

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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.