Home / 6,894.39-10,340.88-2,217.78

Finding the Fourth Proportional to 6,894.39, 10,340.88 and 2,217.78

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Solution

The fourth proportional to 6,894.39, 10,340.88 and 2,217.78 is: 3,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.39 : 10,340.88 = 2,217.78 : x
  2. Step 2: Convert to fraction form
    6,894.39/10,340.88 = 2,217.78/x
  3. Step 3: Cross multiply
    6,894.39x = 10,340.88 × 2,217.78
  4. Step 4: Simplify right side
    6,894.39x = 22,933,796.85
  5. Step 5: Solve for x
    x = 22,933,796.85/6,894.39
  6. Step 6: Final answer
    x = 3,326.44

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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.