Home / 4,208.24-6,312.37-1,286.54

Finding the Fourth Proportional to 4,208.24, 6,312.37 and 1,286.54

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Solution

The fourth proportional to 4,208.24, 6,312.37 and 1,286.54 is: 1,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.24 : 6,312.37 = 1,286.54 : x
  2. Step 2: Convert to fraction form
    4,208.24/6,312.37 = 1,286.54/x
  3. Step 3: Cross multiply
    4,208.24x = 6,312.37 × 1,286.54
  4. Step 4: Simplify right side
    4,208.24x = 8,121,084.94
  5. Step 5: Solve for x
    x = 8,121,084.94/4,208.24
  6. Step 6: Final answer
    x = 1,929.81

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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.