Home / 8,023.82-12,032.67-3,213.78

Finding the Fourth Proportional to 8,023.82, 12,032.67 and 3,213.78

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Solution

The fourth proportional to 8,023.82, 12,032.67 and 3,213.78 is: 4,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,023.82 : 12,032.67 = 3,213.78 : x
  2. Step 2: Convert to fraction form
    8,023.82/12,032.67 = 3,213.78/x
  3. Step 3: Cross multiply
    8,023.82x = 12,032.67 × 3,213.78
  4. Step 4: Simplify right side
    8,023.82x = 38,670,354.19
  5. Step 5: Solve for x
    x = 38,670,354.19/8,023.82
  6. Step 6: Final answer
    x = 4,819.45

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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.