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Finding the Fourth Proportional to 8,234.57, 12,352.23 and 2,687.99

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Solution

The fourth proportional to 8,234.57, 12,352.23 and 2,687.99 is: 4,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.57 : 12,352.23 = 2,687.99 : x
  2. Step 2: Convert to fraction form
    8,234.57/12,352.23 = 2,687.99/x
  3. Step 3: Cross multiply
    8,234.57x = 12,352.23 × 2,687.99
  4. Step 4: Simplify right side
    8,234.57x = 33,202,670.72
  5. Step 5: Solve for x
    x = 33,202,670.72/8,234.57
  6. Step 6: Final answer
    x = 4,032.11

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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.