Home / 8,627.21-12,940.82-2,783.83

Finding the Fourth Proportional to 8,627.21, 12,940.82 and 2,783.83

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Solution

The fourth proportional to 8,627.21, 12,940.82 and 2,783.83 is: 4,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.21 : 12,940.82 = 2,783.83 : x
  2. Step 2: Convert to fraction form
    8,627.21/12,940.82 = 2,783.83/x
  3. Step 3: Cross multiply
    8,627.21x = 12,940.82 × 2,783.83
  4. Step 4: Simplify right side
    8,627.21x = 36,025,042.94
  5. Step 5: Solve for x
    x = 36,025,042.94/8,627.21
  6. Step 6: Final answer
    x = 4,175.75

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Similar ratio
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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.