Home / 4,942.12-6,819.38-3,173.96

Finding the Fourth Proportional to 4,942.12, 6,819.38 and 3,173.96

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Solution

The fourth proportional to 4,942.12, 6,819.38 and 3,173.96 is: 4,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.12 : 6,819.38 = 3,173.96 : x
  2. Step 2: Convert to fraction form
    4,942.12/6,819.38 = 3,173.96/x
  3. Step 3: Cross multiply
    4,942.12x = 6,819.38 × 3,173.96
  4. Step 4: Simplify right side
    4,942.12x = 21,644,439.34
  5. Step 5: Solve for x
    x = 21,644,439.34/4,942.12
  6. Step 6: Final answer
    x = 4,379.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.