Home / 5,398.08-7,449.89-3,159.82

Finding the Fourth Proportional to 5,398.08, 7,449.89 and 3,159.82

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Solution

The fourth proportional to 5,398.08, 7,449.89 and 3,159.82 is: 4,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.08 : 7,449.89 = 3,159.82 : x
  2. Step 2: Convert to fraction form
    5,398.08/7,449.89 = 3,159.82/x
  3. Step 3: Cross multiply
    5,398.08x = 7,449.89 × 3,159.82
  4. Step 4: Simplify right side
    5,398.08x = 23,540,304.93
  5. Step 5: Solve for x
    x = 23,540,304.93/5,398.08
  6. Step 6: Final answer
    x = 4,360.87

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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.