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Finding the Fourth Proportional to 8,239.88, 12,359.84 and 2,396.63

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Solution

The fourth proportional to 8,239.88, 12,359.84 and 2,396.63 is: 3,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.88 : 12,359.84 = 2,396.63 : x
  2. Step 2: Convert to fraction form
    8,239.88/12,359.84 = 2,396.63/x
  3. Step 3: Cross multiply
    8,239.88x = 12,359.84 × 2,396.63
  4. Step 4: Simplify right side
    8,239.88x = 29,621,889.56
  5. Step 5: Solve for x
    x = 29,621,889.56/8,239.88
  6. Step 6: Final answer
    x = 3,594.94

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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.