Home / 8,639.44-12,959.24-2,796.04

Finding the Fourth Proportional to 8,639.44, 12,959.24 and 2,796.04

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Solution

The fourth proportional to 8,639.44, 12,959.24 and 2,796.04 is: 4,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.44 : 12,959.24 = 2,796.04 : x
  2. Step 2: Convert to fraction form
    8,639.44/12,959.24 = 2,796.04/x
  3. Step 3: Cross multiply
    8,639.44x = 12,959.24 × 2,796.04
  4. Step 4: Simplify right side
    8,639.44x = 36,234,553.41
  5. Step 5: Solve for x
    x = 36,234,553.41/8,639.44
  6. Step 6: Final answer
    x = 4,194.09

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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.