Home / 4,208.22-6,313.41-1,286.42

Finding the Fourth Proportional to 4,208.22, 6,313.41 and 1,286.42

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Solution

The fourth proportional to 4,208.22, 6,313.41 and 1,286.42 is: 1,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.22 : 6,313.41 = 1,286.42 : x
  2. Step 2: Convert to fraction form
    4,208.22/6,313.41 = 1,286.42/x
  3. Step 3: Cross multiply
    4,208.22x = 6,313.41 × 1,286.42
  4. Step 4: Simplify right side
    4,208.22x = 8,121,665.33
  5. Step 5: Solve for x
    x = 8,121,665.33/4,208.22
  6. Step 6: Final answer
    x = 1,929.95

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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.