Home / 8,181.82-12,272.74-2,338.43

Finding the Fourth Proportional to 8,181.82, 12,272.74 and 2,338.43

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Solution

The fourth proportional to 8,181.82, 12,272.74 and 2,338.43 is: 3,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.82 : 12,272.74 = 2,338.43 : x
  2. Step 2: Convert to fraction form
    8,181.82/12,272.74 = 2,338.43/x
  3. Step 3: Cross multiply
    8,181.82x = 12,272.74 × 2,338.43
  4. Step 4: Simplify right side
    8,181.82x = 28,698,876.19
  5. Step 5: Solve for x
    x = 28,698,876.19/8,181.82
  6. Step 6: Final answer
    x = 3,507.64

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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.