Home / 8,100.29-12,153.60-3,169.08

Finding the Fourth Proportional to 8,100.29, 12,153.60 and 3,169.08

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Solution

The fourth proportional to 8,100.29, 12,153.60 and 3,169.08 is: 4,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.29 : 12,153.60 = 3,169.08 : x
  2. Step 2: Convert to fraction form
    8,100.29/12,153.60 = 3,169.08/x
  3. Step 3: Cross multiply
    8,100.29x = 12,153.60 × 3,169.08
  4. Step 4: Simplify right side
    8,100.29x = 38,515,730.69
  5. Step 5: Solve for x
    x = 38,515,730.69/8,100.29
  6. Step 6: Final answer
    x = 4,754.86

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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.