Home / 6,241.78-9,351.38-3,900.66

Finding the Fourth Proportional to 6,241.78, 9,351.38 and 3,900.66

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Solution

The fourth proportional to 6,241.78, 9,351.38 and 3,900.66 is: 5,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.78 : 9,351.38 = 3,900.66 : x
  2. Step 2: Convert to fraction form
    6,241.78/9,351.38 = 3,900.66/x
  3. Step 3: Cross multiply
    6,241.78x = 9,351.38 × 3,900.66
  4. Step 4: Simplify right side
    6,241.78x = 36,476,528.59
  5. Step 5: Solve for x
    x = 36,476,528.59/6,241.78
  6. Step 6: Final answer
    x = 5,843.93

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1.5x scale

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.