Home / 4,251.28-6,376.92-1,329.85

Finding the Fourth Proportional to 4,251.28, 6,376.92 and 1,329.85

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Solution

The fourth proportional to 4,251.28, 6,376.92 and 1,329.85 is: 1,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.28 : 6,376.92 = 1,329.85 : x
  2. Step 2: Convert to fraction form
    4,251.28/6,376.92 = 1,329.85/x
  3. Step 3: Cross multiply
    4,251.28x = 6,376.92 × 1,329.85
  4. Step 4: Simplify right side
    4,251.28x = 8,480,347.06
  5. Step 5: Solve for x
    x = 8,480,347.06/4,251.28
  6. Step 6: Final answer
    x = 1,994.78

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1.5x scale

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.