Home / 4,220.96-6,334.56-3,408.96

Finding the Fourth Proportional to 4,220.96, 6,334.56 and 3,408.96

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Solution

The fourth proportional to 4,220.96, 6,334.56 and 3,408.96 is: 5,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.96 : 6,334.56 = 3,408.96 : x
  2. Step 2: Convert to fraction form
    4,220.96/6,334.56 = 3,408.96/x
  3. Step 3: Cross multiply
    4,220.96x = 6,334.56 × 3,408.96
  4. Step 4: Simplify right side
    4,220.96x = 21,594,261.66
  5. Step 5: Solve for x
    x = 21,594,261.66/4,220.96
  6. Step 6: Final answer
    x = 5,115.96

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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.