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Finding the Fourth Proportional to 8,107.63, 12,161.41 and 2,264.22

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Solution

The fourth proportional to 8,107.63, 12,161.41 and 2,264.22 is: 3,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.63 : 12,161.41 = 2,264.22 : x
  2. Step 2: Convert to fraction form
    8,107.63/12,161.41 = 2,264.22/x
  3. Step 3: Cross multiply
    8,107.63x = 12,161.41 × 2,264.22
  4. Step 4: Simplify right side
    8,107.63x = 27,536,102.09
  5. Step 5: Solve for x
    x = 27,536,102.09/8,107.63
  6. Step 6: Final answer
    x = 3,396.32

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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.