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Finding the Fourth Proportional to 8,364.88, 12,544.89 and 2,519.92

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Solution

The fourth proportional to 8,364.88, 12,544.89 and 2,519.92 is: 3,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.88 : 12,544.89 = 2,519.92 : x
  2. Step 2: Convert to fraction form
    8,364.88/12,544.89 = 2,519.92/x
  3. Step 3: Cross multiply
    8,364.88x = 12,544.89 × 2,519.92
  4. Step 4: Simplify right side
    8,364.88x = 31,612,119.21
  5. Step 5: Solve for x
    x = 31,612,119.21/8,364.88
  6. Step 6: Final answer
    x = 3,779.15

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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.