Home / 8,166.20-12,243.30-2,616.36

Finding the Fourth Proportional to 8,166.20, 12,243.30 and 2,616.36

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Solution

The fourth proportional to 8,166.20, 12,243.30 and 2,616.36 is: 3,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.20 : 12,243.30 = 2,616.36 : x
  2. Step 2: Convert to fraction form
    8,166.20/12,243.30 = 2,616.36/x
  3. Step 3: Cross multiply
    8,166.20x = 12,243.30 × 2,616.36
  4. Step 4: Simplify right side
    8,166.20x = 32,032,880.39
  5. Step 5: Solve for x
    x = 32,032,880.39/8,166.20
  6. Step 6: Final answer
    x = 3,922.62

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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.