Home / 7,799.40-11,694.88-3,411.73

Finding the Fourth Proportional to 7,799.40, 11,694.88 and 3,411.73

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Solution

The fourth proportional to 7,799.40, 11,694.88 and 3,411.73 is: 5,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.40 : 11,694.88 = 3,411.73 : x
  2. Step 2: Convert to fraction form
    7,799.40/11,694.88 = 3,411.73/x
  3. Step 3: Cross multiply
    7,799.40x = 11,694.88 × 3,411.73
  4. Step 4: Simplify right side
    7,799.40x = 39,899,772.94
  5. Step 5: Solve for x
    x = 39,899,772.94/7,799.40
  6. Step 6: Final answer
    x = 5,115.75

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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.