Home / 6,431.05-9,640.00-4,351.27

Finding the Fourth Proportional to 6,431.05, 9,640.00 and 4,351.27

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Solution

The fourth proportional to 6,431.05, 9,640.00 and 4,351.27 is: 6,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.05 : 9,640.00 = 4,351.27 : x
  2. Step 2: Convert to fraction form
    6,431.05/9,640.00 = 4,351.27/x
  3. Step 3: Cross multiply
    6,431.05x = 9,640.00 × 4,351.27
  4. Step 4: Simplify right side
    6,431.05x = 41,946,257.97
  5. Step 5: Solve for x
    x = 41,946,257.97/6,431.05
  6. Step 6: Final answer
    x = 6,522.46

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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.