Home / 4,022.62-6,034.48-1,390.79

Finding the Fourth Proportional to 4,022.62, 6,034.48 and 1,390.79

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Solution

The fourth proportional to 4,022.62, 6,034.48 and 1,390.79 is: 2,086.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.62 : 6,034.48 = 1,390.79 : x
  2. Step 2: Convert to fraction form
    4,022.62/6,034.48 = 1,390.79/x
  3. Step 3: Cross multiply
    4,022.62x = 6,034.48 × 1,390.79
  4. Step 4: Simplify right side
    4,022.62x = 8,392,694.44
  5. Step 5: Solve for x
    x = 8,392,694.44/4,022.62
  6. Step 6: Final answer
    x = 2,086.38

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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.