Home / 8,204.24-12,312.84-3,819.44

Finding the Fourth Proportional to 8,204.24, 12,312.84 and 3,819.44

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Solution

The fourth proportional to 8,204.24, 12,312.84 and 3,819.44 is: 5,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.24 : 12,312.84 = 3,819.44 : x
  2. Step 2: Convert to fraction form
    8,204.24/12,312.84 = 3,819.44/x
  3. Step 3: Cross multiply
    8,204.24x = 12,312.84 × 3,819.44
  4. Step 4: Simplify right side
    8,204.24x = 47,028,153.61
  5. Step 5: Solve for x
    x = 47,028,153.61/8,204.24
  6. Step 6: Final answer
    x = 5,732.18

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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.