Home / 8,204.90-12,301.47-3,819.96

Finding the Fourth Proportional to 8,204.90, 12,301.47 and 3,819.96

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Solution

The fourth proportional to 8,204.90, 12,301.47 and 3,819.96 is: 5,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.90 : 12,301.47 = 3,819.96 : x
  2. Step 2: Convert to fraction form
    8,204.90/12,301.47 = 3,819.96/x
  3. Step 3: Cross multiply
    8,204.90x = 12,301.47 × 3,819.96
  4. Step 4: Simplify right side
    8,204.90x = 46,991,123.34
  5. Step 5: Solve for x
    x = 46,991,123.34/8,204.90
  6. Step 6: Final answer
    x = 5,727.21

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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.