Home / 8,181.05-12,272.71-4,021.22

Finding the Fourth Proportional to 8,181.05, 12,272.71 and 4,021.22

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Solution

The fourth proportional to 8,181.05, 12,272.71 and 4,021.22 is: 6,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.05 : 12,272.71 = 4,021.22 : x
  2. Step 2: Convert to fraction form
    8,181.05/12,272.71 = 4,021.22/x
  3. Step 3: Cross multiply
    8,181.05x = 12,272.71 × 4,021.22
  4. Step 4: Simplify right side
    8,181.05x = 49,351,236.22
  5. Step 5: Solve for x
    x = 49,351,236.22/8,181.05
  6. Step 6: Final answer
    x = 6,032.39

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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.