Home / 8,414.82-12,628.89-4,716.36

Finding the Fourth Proportional to 8,414.82, 12,628.89 and 4,716.36

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Solution

The fourth proportional to 8,414.82, 12,628.89 and 4,716.36 is: 7,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.82 : 12,628.89 = 4,716.36 : x
  2. Step 2: Convert to fraction form
    8,414.82/12,628.89 = 4,716.36/x
  3. Step 3: Cross multiply
    8,414.82x = 12,628.89 × 4,716.36
  4. Step 4: Simplify right side
    8,414.82x = 59,562,391.64
  5. Step 5: Solve for x
    x = 59,562,391.64/8,414.82
  6. Step 6: Final answer
    x = 7,078.27

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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.