Home / 5,327.68-7,991.88-2,554.96

Finding the Fourth Proportional to 5,327.68, 7,991.88 and 2,554.96

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Solution

The fourth proportional to 5,327.68, 7,991.88 and 2,554.96 is: 3,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.68 : 7,991.88 = 2,554.96 : x
  2. Step 2: Convert to fraction form
    5,327.68/7,991.88 = 2,554.96/x
  3. Step 3: Cross multiply
    5,327.68x = 7,991.88 × 2,554.96
  4. Step 4: Simplify right side
    5,327.68x = 20,418,933.72
  5. Step 5: Solve for x
    x = 20,418,933.72/5,327.68
  6. Step 6: Final answer
    x = 3,832.61

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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.