Home / 8,103.43-12,149.74-2,908.63

Finding the Fourth Proportional to 8,103.43, 12,149.74 and 2,908.63

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Solution

The fourth proportional to 8,103.43, 12,149.74 and 2,908.63 is: 4,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.43 : 12,149.74 = 2,908.63 : x
  2. Step 2: Convert to fraction form
    8,103.43/12,149.74 = 2,908.63/x
  3. Step 3: Cross multiply
    8,103.43x = 12,149.74 × 2,908.63
  4. Step 4: Simplify right side
    8,103.43x = 35,339,098.26
  5. Step 5: Solve for x
    x = 35,339,098.26/8,103.43
  6. Step 6: Final answer
    x = 4,361.00

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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.