Home / 7,789.73-11,682.43-2,241.56

Finding the Fourth Proportional to 7,789.73, 11,682.43 and 2,241.56

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Solution

The fourth proportional to 7,789.73, 11,682.43 and 2,241.56 is: 3,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.73 : 11,682.43 = 2,241.56 : x
  2. Step 2: Convert to fraction form
    7,789.73/11,682.43 = 2,241.56/x
  3. Step 3: Cross multiply
    7,789.73x = 11,682.43 × 2,241.56
  4. Step 4: Simplify right side
    7,789.73x = 26,186,891.39
  5. Step 5: Solve for x
    x = 26,186,891.39/7,789.73
  6. Step 6: Final answer
    x = 3,361.72

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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.