Home / 4,251.30-6,375.33-1,289.13

Finding the Fourth Proportional to 4,251.30, 6,375.33 and 1,289.13

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Solution

The fourth proportional to 4,251.30, 6,375.33 and 1,289.13 is: 1,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.30 : 6,375.33 = 1,289.13 : x
  2. Step 2: Convert to fraction form
    4,251.30/6,375.33 = 1,289.13/x
  3. Step 3: Cross multiply
    4,251.30x = 6,375.33 × 1,289.13
  4. Step 4: Simplify right side
    4,251.30x = 8,218,629.16
  5. Step 5: Solve for x
    x = 8,218,629.16/4,251.30
  6. Step 6: Final answer
    x = 1,933.20

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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.