Home / 7,789.75-11,677.66-2,858.24

Finding the Fourth Proportional to 7,789.75, 11,677.66 and 2,858.24

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Solution

The fourth proportional to 7,789.75, 11,677.66 and 2,858.24 is: 4,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.75 : 11,677.66 = 2,858.24 : x
  2. Step 2: Convert to fraction form
    7,789.75/11,677.66 = 2,858.24/x
  3. Step 3: Cross multiply
    7,789.75x = 11,677.66 × 2,858.24
  4. Step 4: Simplify right side
    7,789.75x = 33,377,576.97
  5. Step 5: Solve for x
    x = 33,377,576.97/7,789.75
  6. Step 6: Final answer
    x = 4,284.81

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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.