Home / 4,245.21-6,367.82-3,321.54

Finding the Fourth Proportional to 4,245.21, 6,367.82 and 3,321.54

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Solution

The fourth proportional to 4,245.21, 6,367.82 and 3,321.54 is: 4,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.21 : 6,367.82 = 3,321.54 : x
  2. Step 2: Convert to fraction form
    4,245.21/6,367.82 = 3,321.54/x
  3. Step 3: Cross multiply
    4,245.21x = 6,367.82 × 3,321.54
  4. Step 4: Simplify right side
    4,245.21x = 21,150,952.24
  5. Step 5: Solve for x
    x = 21,150,952.24/4,245.21
  6. Step 6: Final answer
    x = 4,982.31

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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.