Home / 4,134.36-6,201.42-1,212.72

Finding the Fourth Proportional to 4,134.36, 6,201.42 and 1,212.72

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Solution

The fourth proportional to 4,134.36, 6,201.42 and 1,212.72 is: 1,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.36 : 6,201.42 = 1,212.72 : x
  2. Step 2: Convert to fraction form
    4,134.36/6,201.42 = 1,212.72/x
  3. Step 3: Cross multiply
    4,134.36x = 6,201.42 × 1,212.72
  4. Step 4: Simplify right side
    4,134.36x = 7,520,586.06
  5. Step 5: Solve for x
    x = 7,520,586.06/4,134.36
  6. Step 6: Final answer
    x = 1,819.04

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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.