Home / 5,134.07-7,685.39-3,286.97

Finding the Fourth Proportional to 5,134.07, 7,685.39 and 3,286.97

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Solution

The fourth proportional to 5,134.07, 7,685.39 and 3,286.97 is: 4,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.07 : 7,685.39 = 3,286.97 : x
  2. Step 2: Convert to fraction form
    5,134.07/7,685.39 = 3,286.97/x
  3. Step 3: Cross multiply
    5,134.07x = 7,685.39 × 3,286.97
  4. Step 4: Simplify right side
    5,134.07x = 25,261,673.80
  5. Step 5: Solve for x
    x = 25,261,673.80/5,134.07
  6. Step 6: Final answer
    x = 4,920.40

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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.