Home / 5,251.37-7,879.78-2,476.61

Finding the Fourth Proportional to 5,251.37, 7,879.78 and 2,476.61

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Solution

The fourth proportional to 5,251.37, 7,879.78 and 2,476.61 is: 3,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.37 : 7,879.78 = 2,476.61 : x
  2. Step 2: Convert to fraction form
    5,251.37/7,879.78 = 2,476.61/x
  3. Step 3: Cross multiply
    5,251.37x = 7,879.78 × 2,476.61
  4. Step 4: Simplify right side
    5,251.37x = 19,515,135.19
  5. Step 5: Solve for x
    x = 19,515,135.19/5,251.37
  6. Step 6: Final answer
    x = 3,716.20

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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.