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Finding the Fourth Proportional to 8,166.85, 12,252.31 and 2,323.42

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Solution

The fourth proportional to 8,166.85, 12,252.31 and 2,323.42 is: 3,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.85 : 12,252.31 = 2,323.42 : x
  2. Step 2: Convert to fraction form
    8,166.85/12,252.31 = 2,323.42/x
  3. Step 3: Cross multiply
    8,166.85x = 12,252.31 × 2,323.42
  4. Step 4: Simplify right side
    8,166.85x = 28,467,225.66
  5. Step 5: Solve for x
    x = 28,467,225.66/8,166.85
  6. Step 6: Final answer
    x = 3,485.71

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1.5x scale

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.