Home / 5,422.29-8,127.16-2,494.45

Finding the Fourth Proportional to 5,422.29, 8,127.16 and 2,494.45

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Solution

The fourth proportional to 5,422.29, 8,127.16 and 2,494.45 is: 3,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.29 : 8,127.16 = 2,494.45 : x
  2. Step 2: Convert to fraction form
    5,422.29/8,127.16 = 2,494.45/x
  3. Step 3: Cross multiply
    5,422.29x = 8,127.16 × 2,494.45
  4. Step 4: Simplify right side
    5,422.29x = 20,272,794.26
  5. Step 5: Solve for x
    x = 20,272,794.26/5,422.29
  6. Step 6: Final answer
    x = 3,738.79

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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.