Home / 4,261.82-6,380.91-3,218.67

Finding the Fourth Proportional to 4,261.82, 6,380.91 and 3,218.67

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Solution

The fourth proportional to 4,261.82, 6,380.91 and 3,218.67 is: 4,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.82 : 6,380.91 = 3,218.67 : x
  2. Step 2: Convert to fraction form
    4,261.82/6,380.91 = 3,218.67/x
  3. Step 3: Cross multiply
    4,261.82x = 6,380.91 × 3,218.67
  4. Step 4: Simplify right side
    4,261.82x = 20,538,043.59
  5. Step 5: Solve for x
    x = 20,538,043.59/4,261.82
  6. Step 6: Final answer
    x = 4,819.08

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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.