Home / 4,142.09-6,213.20-2,190.26

Finding the Fourth Proportional to 4,142.09, 6,213.20 and 2,190.26

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Solution

The fourth proportional to 4,142.09, 6,213.20 and 2,190.26 is: 3,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.09 : 6,213.20 = 2,190.26 : x
  2. Step 2: Convert to fraction form
    4,142.09/6,213.20 = 2,190.26/x
  3. Step 3: Cross multiply
    4,142.09x = 6,213.20 × 2,190.26
  4. Step 4: Simplify right side
    4,142.09x = 13,608,481.41
  5. Step 5: Solve for x
    x = 13,608,481.41/4,142.09
  6. Step 6: Final answer
    x = 3,285.42

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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.