Home / 5,376.32-8,049.88-3,809.96

Finding the Fourth Proportional to 5,376.32, 8,049.88 and 3,809.96

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Solution

The fourth proportional to 5,376.32, 8,049.88 and 3,809.96 is: 5,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.32 : 8,049.88 = 3,809.96 : x
  2. Step 2: Convert to fraction form
    5,376.32/8,049.88 = 3,809.96/x
  3. Step 3: Cross multiply
    5,376.32x = 8,049.88 × 3,809.96
  4. Step 4: Simplify right side
    5,376.32x = 30,669,720.80
  5. Step 5: Solve for x
    x = 30,669,720.80/5,376.32
  6. Step 6: Final answer
    x = 5,704.59

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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.