Home / 8,076.62-12,112.77-2,233.55

Finding the Fourth Proportional to 8,076.62, 12,112.77 and 2,233.55

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Solution

The fourth proportional to 8,076.62, 12,112.77 and 2,233.55 is: 3,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.62 : 12,112.77 = 2,233.55 : x
  2. Step 2: Convert to fraction form
    8,076.62/12,112.77 = 2,233.55/x
  3. Step 3: Cross multiply
    8,076.62x = 12,112.77 × 2,233.55
  4. Step 4: Simplify right side
    8,076.62x = 27,054,477.43
  5. Step 5: Solve for x
    x = 27,054,477.43/8,076.62
  6. Step 6: Final answer
    x = 3,349.73

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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.