Home / 5,207.31-7,186.05-2,849.43

Finding the Fourth Proportional to 5,207.31, 7,186.05 and 2,849.43

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Solution

The fourth proportional to 5,207.31, 7,186.05 and 2,849.43 is: 3,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.31 : 7,186.05 = 2,849.43 : x
  2. Step 2: Convert to fraction form
    5,207.31/7,186.05 = 2,849.43/x
  3. Step 3: Cross multiply
    5,207.31x = 7,186.05 × 2,849.43
  4. Step 4: Simplify right side
    5,207.31x = 20,476,146.45
  5. Step 5: Solve for x
    x = 20,476,146.45/5,207.31
  6. Step 6: Final answer
    x = 3,932.19

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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.