Home / 4,078.31-6,107.68-3,489.94

Finding the Fourth Proportional to 4,078.31, 6,107.68 and 3,489.94

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Solution

The fourth proportional to 4,078.31, 6,107.68 and 3,489.94 is: 5,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.31 : 6,107.68 = 3,489.94 : x
  2. Step 2: Convert to fraction form
    4,078.31/6,107.68 = 3,489.94/x
  3. Step 3: Cross multiply
    4,078.31x = 6,107.68 × 3,489.94
  4. Step 4: Simplify right side
    4,078.31x = 21,315,412.75
  5. Step 5: Solve for x
    x = 21,315,412.75/4,078.31
  6. Step 6: Final answer
    x = 5,226.54

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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.