Home / 4,640.36-6,954.78-2,171.96

Finding the Fourth Proportional to 4,640.36, 6,954.78 and 2,171.96

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Solution

The fourth proportional to 4,640.36, 6,954.78 and 2,171.96 is: 3,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.36 : 6,954.78 = 2,171.96 : x
  2. Step 2: Convert to fraction form
    4,640.36/6,954.78 = 2,171.96/x
  3. Step 3: Cross multiply
    4,640.36x = 6,954.78 × 2,171.96
  4. Step 4: Simplify right side
    4,640.36x = 15,105,503.97
  5. Step 5: Solve for x
    x = 15,105,503.97/4,640.36
  6. Step 6: Final answer
    x = 3,255.24

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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.