Home / 5,375.30-8,060.51-2,780.06

Finding the Fourth Proportional to 5,375.30, 8,060.51 and 2,780.06

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Solution

The fourth proportional to 5,375.30, 8,060.51 and 2,780.06 is: 4,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.30 : 8,060.51 = 2,780.06 : x
  2. Step 2: Convert to fraction form
    5,375.30/8,060.51 = 2,780.06/x
  3. Step 3: Cross multiply
    5,375.30x = 8,060.51 × 2,780.06
  4. Step 4: Simplify right side
    5,375.30x = 22,408,668.08
  5. Step 5: Solve for x
    x = 22,408,668.08/5,375.30
  6. Step 6: Final answer
    x = 4,168.83

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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.