Home / 5,422.61-7,489.35-3,651.14

Finding the Fourth Proportional to 5,422.61, 7,489.35 and 3,651.14

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Solution

The fourth proportional to 5,422.61, 7,489.35 and 3,651.14 is: 5,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.61 : 7,489.35 = 3,651.14 : x
  2. Step 2: Convert to fraction form
    5,422.61/7,489.35 = 3,651.14/x
  3. Step 3: Cross multiply
    5,422.61x = 7,489.35 × 3,651.14
  4. Step 4: Simplify right side
    5,422.61x = 27,344,674.49
  5. Step 5: Solve for x
    x = 27,344,674.49/5,422.61
  6. Step 6: Final answer
    x = 5,042.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.