Home / 8,066.28-12,105.96-4,171.80

Finding the Fourth Proportional to 8,066.28, 12,105.96 and 4,171.80

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Solution

The fourth proportional to 8,066.28, 12,105.96 and 4,171.80 is: 6,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.28 : 12,105.96 = 4,171.80 : x
  2. Step 2: Convert to fraction form
    8,066.28/12,105.96 = 4,171.80/x
  3. Step 3: Cross multiply
    8,066.28x = 12,105.96 × 4,171.80
  4. Step 4: Simplify right side
    8,066.28x = 50,503,643.93
  5. Step 5: Solve for x
    x = 50,503,643.93/8,066.28
  6. Step 6: Final answer
    x = 6,261.08

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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.