Home / 4,281.68-5,906.27-2,687.70

Finding the Fourth Proportional to 4,281.68, 5,906.27 and 2,687.70

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Solution

The fourth proportional to 4,281.68, 5,906.27 and 2,687.70 is: 3,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.68 : 5,906.27 = 2,687.70 : x
  2. Step 2: Convert to fraction form
    4,281.68/5,906.27 = 2,687.70/x
  3. Step 3: Cross multiply
    4,281.68x = 5,906.27 × 2,687.70
  4. Step 4: Simplify right side
    4,281.68x = 15,874,268.44
  5. Step 5: Solve for x
    x = 15,874,268.44/4,281.68
  6. Step 6: Final answer
    x = 3,707.49

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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.