Home / 8,512.20-12,766.61-2,965.86

Finding the Fourth Proportional to 8,512.20, 12,766.61 and 2,965.86

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Solution

The fourth proportional to 8,512.20, 12,766.61 and 2,965.86 is: 4,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.20 : 12,766.61 = 2,965.86 : x
  2. Step 2: Convert to fraction form
    8,512.20/12,766.61 = 2,965.86/x
  3. Step 3: Cross multiply
    8,512.20x = 12,766.61 × 2,965.86
  4. Step 4: Simplify right side
    8,512.20x = 37,863,985.35
  5. Step 5: Solve for x
    x = 37,863,985.35/8,512.20
  6. Step 6: Final answer
    x = 4,448.20

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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.