Home / 4,213.86-6,324.60-2,135.30

Finding the Fourth Proportional to 4,213.86, 6,324.60 and 2,135.30

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Solution

The fourth proportional to 4,213.86, 6,324.60 and 2,135.30 is: 3,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.86 : 6,324.60 = 2,135.30 : x
  2. Step 2: Convert to fraction form
    4,213.86/6,324.60 = 2,135.30/x
  3. Step 3: Cross multiply
    4,213.86x = 6,324.60 × 2,135.30
  4. Step 4: Simplify right side
    4,213.86x = 13,504,918.38
  5. Step 5: Solve for x
    x = 13,504,918.38/4,213.86
  6. Step 6: Final answer
    x = 3,204.88

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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.