Home / 7,422.46-11,135.31-2,491.97

Finding the Fourth Proportional to 7,422.46, 11,135.31 and 2,491.97

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Solution

The fourth proportional to 7,422.46, 11,135.31 and 2,491.97 is: 3,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.46 : 11,135.31 = 2,491.97 : x
  2. Step 2: Convert to fraction form
    7,422.46/11,135.31 = 2,491.97/x
  3. Step 3: Cross multiply
    7,422.46x = 11,135.31 × 2,491.97
  4. Step 4: Simplify right side
    7,422.46x = 27,748,850.93
  5. Step 5: Solve for x
    x = 27,748,850.93/7,422.46
  6. Step 6: Final answer
    x = 3,738.50

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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.