Home / 5,268-7,895.14-2,144.36

Finding the Fourth Proportional to 5,268, 7,895.14 and 2,144.36

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Solution

The fourth proportional to 5,268, 7,895.14 and 2,144.36 is: 3,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268 : 7,895.14 = 2,144.36 : x
  2. Step 2: Convert to fraction form
    5,268/7,895.14 = 2,144.36/x
  3. Step 3: Cross multiply
    5,268x = 7,895.14 × 2,144.36
  4. Step 4: Simplify right side
    5,268x = 16,930,022.41
  5. Step 5: Solve for x
    x = 16,930,022.41/5,268
  6. Step 6: Final answer
    x = 3,213.75

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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.