Home / 5,268.08-7,906.96-2,672.88

Finding the Fourth Proportional to 5,268.08, 7,906.96 and 2,672.88

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Solution

The fourth proportional to 5,268.08, 7,906.96 and 2,672.88 is: 4,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.08 : 7,906.96 = 2,672.88 : x
  2. Step 2: Convert to fraction form
    5,268.08/7,906.96 = 2,672.88/x
  3. Step 3: Cross multiply
    5,268.08x = 7,906.96 × 2,672.88
  4. Step 4: Simplify right side
    5,268.08x = 21,134,355.24
  5. Step 5: Solve for x
    x = 21,134,355.24/5,268.08
  6. Step 6: Final answer
    x = 4,011.78

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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.