Home / 5,213.30-7,819.80-2,092.34

Finding the Fourth Proportional to 5,213.30, 7,819.80 and 2,092.34

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Solution

The fourth proportional to 5,213.30, 7,819.80 and 2,092.34 is: 3,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.30 : 7,819.80 = 2,092.34 : x
  2. Step 2: Convert to fraction form
    5,213.30/7,819.80 = 2,092.34/x
  3. Step 3: Cross multiply
    5,213.30x = 7,819.80 × 2,092.34
  4. Step 4: Simplify right side
    5,213.30x = 16,361,680.33
  5. Step 5: Solve for x
    x = 16,361,680.33/5,213.30
  6. Step 6: Final answer
    x = 3,138.45

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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.