Home / 4,134.76-6,201.32-1,213.09

Finding the Fourth Proportional to 4,134.76, 6,201.32 and 1,213.09

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Solution

The fourth proportional to 4,134.76, 6,201.32 and 1,213.09 is: 1,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.76 : 6,201.32 = 1,213.09 : x
  2. Step 2: Convert to fraction form
    4,134.76/6,201.32 = 1,213.09/x
  3. Step 3: Cross multiply
    4,134.76x = 6,201.32 × 1,213.09
  4. Step 4: Simplify right side
    4,134.76x = 7,522,759.28
  5. Step 5: Solve for x
    x = 7,522,759.28/4,134.76
  6. Step 6: Final answer
    x = 1,819.39

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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.