Home / 4,891.28-6,748.31-2,766.56

Finding the Fourth Proportional to 4,891.28, 6,748.31 and 2,766.56

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Solution

The fourth proportional to 4,891.28, 6,748.31 and 2,766.56 is: 3,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.28 : 6,748.31 = 2,766.56 : x
  2. Step 2: Convert to fraction form
    4,891.28/6,748.31 = 2,766.56/x
  3. Step 3: Cross multiply
    4,891.28x = 6,748.31 × 2,766.56
  4. Step 4: Simplify right side
    4,891.28x = 18,669,590.68
  5. Step 5: Solve for x
    x = 18,669,590.68/4,891.28
  6. Step 6: Final answer
    x = 3,816.91

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1.5x scale

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.