Home / 8,170.79-12,246.60-3,778.97

Finding the Fourth Proportional to 8,170.79, 12,246.60 and 3,778.97

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Solution

The fourth proportional to 8,170.79, 12,246.60 and 3,778.97 is: 5,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.79 : 12,246.60 = 3,778.97 : x
  2. Step 2: Convert to fraction form
    8,170.79/12,246.60 = 3,778.97/x
  3. Step 3: Cross multiply
    8,170.79x = 12,246.60 × 3,778.97
  4. Step 4: Simplify right side
    8,170.79x = 46,279,534.00
  5. Step 5: Solve for x
    x = 46,279,534.00/8,170.79
  6. Step 6: Final answer
    x = 5,664.02

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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.