Home / 8,175.44-12,255.60-3,241.28

Finding the Fourth Proportional to 8,175.44, 12,255.60 and 3,241.28

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Solution

The fourth proportional to 8,175.44, 12,255.60 and 3,241.28 is: 4,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.44 : 12,255.60 = 3,241.28 : x
  2. Step 2: Convert to fraction form
    8,175.44/12,255.60 = 3,241.28/x
  3. Step 3: Cross multiply
    8,175.44x = 12,255.60 × 3,241.28
  4. Step 4: Simplify right side
    8,175.44x = 39,723,831.17
  5. Step 5: Solve for x
    x = 39,723,831.17/8,175.44
  6. Step 6: Final answer
    x = 4,858.92

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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.