Home / 8,694.36-13,035.78-3,146.97

Finding the Fourth Proportional to 8,694.36, 13,035.78 and 3,146.97

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Solution

The fourth proportional to 8,694.36, 13,035.78 and 3,146.97 is: 4,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.36 : 13,035.78 = 3,146.97 : x
  2. Step 2: Convert to fraction form
    8,694.36/13,035.78 = 3,146.97/x
  3. Step 3: Cross multiply
    8,694.36x = 13,035.78 × 3,146.97
  4. Step 4: Simplify right side
    8,694.36x = 41,023,208.59
  5. Step 5: Solve for x
    x = 41,023,208.59/8,694.36
  6. Step 6: Final answer
    x = 4,718.37

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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.