Home / 4,208.82-6,313.93-1,286.44

Finding the Fourth Proportional to 4,208.82, 6,313.93 and 1,286.44

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Solution

The fourth proportional to 4,208.82, 6,313.93 and 1,286.44 is: 1,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.82 : 6,313.93 = 1,286.44 : x
  2. Step 2: Convert to fraction form
    4,208.82/6,313.93 = 1,286.44/x
  3. Step 3: Cross multiply
    4,208.82x = 6,313.93 × 1,286.44
  4. Step 4: Simplify right side
    4,208.82x = 8,122,480.34
  5. Step 5: Solve for x
    x = 8,122,480.34/4,208.82
  6. Step 6: Final answer
    x = 1,929.87

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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.