Home / 5,268.38-7,895.79-2,144.75

Finding the Fourth Proportional to 5,268.38, 7,895.79 and 2,144.75

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Solution

The fourth proportional to 5,268.38, 7,895.79 and 2,144.75 is: 3,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.38 : 7,895.79 = 2,144.75 : x
  2. Step 2: Convert to fraction form
    5,268.38/7,895.79 = 2,144.75/x
  3. Step 3: Cross multiply
    5,268.38x = 7,895.79 × 2,144.75
  4. Step 4: Simplify right side
    5,268.38x = 16,934,456.12
  5. Step 5: Solve for x
    x = 16,934,456.12/5,268.38
  6. Step 6: Final answer
    x = 3,214.36

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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.