Home / 5,207.30-7,185.89-2,849.29

Finding the Fourth Proportional to 5,207.30, 7,185.89 and 2,849.29

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Solution

The fourth proportional to 5,207.30, 7,185.89 and 2,849.29 is: 3,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.30 : 7,185.89 = 2,849.29 : x
  2. Step 2: Convert to fraction form
    5,207.30/7,185.89 = 2,849.29/x
  3. Step 3: Cross multiply
    5,207.30x = 7,185.89 × 2,849.29
  4. Step 4: Simplify right side
    5,207.30x = 20,474,673.68
  5. Step 5: Solve for x
    x = 20,474,673.68/5,207.30
  6. Step 6: Final answer
    x = 3,931.92

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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.