Home / 8,131.32-12,194.46-4,233.60

Finding the Fourth Proportional to 8,131.32, 12,194.46 and 4,233.60

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Solution

The fourth proportional to 8,131.32, 12,194.46 and 4,233.60 is: 6,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.32 : 12,194.46 = 4,233.60 : x
  2. Step 2: Convert to fraction form
    8,131.32/12,194.46 = 4,233.60/x
  3. Step 3: Cross multiply
    8,131.32x = 12,194.46 × 4,233.60
  4. Step 4: Simplify right side
    8,131.32x = 51,626,465.86
  5. Step 5: Solve for x
    x = 51,626,465.86/8,131.32
  6. Step 6: Final answer
    x = 6,349.09

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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.