Home / 7,669.28-11,494.51-3,969.41

Finding the Fourth Proportional to 7,669.28, 11,494.51 and 3,969.41

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Solution

The fourth proportional to 7,669.28, 11,494.51 and 3,969.41 is: 5,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.28 : 11,494.51 = 3,969.41 : x
  2. Step 2: Convert to fraction form
    7,669.28/11,494.51 = 3,969.41/x
  3. Step 3: Cross multiply
    7,669.28x = 11,494.51 × 3,969.41
  4. Step 4: Simplify right side
    7,669.28x = 45,626,355.54
  5. Step 5: Solve for x
    x = 45,626,355.54/7,669.28
  6. Step 6: Final answer
    x = 5,949.23

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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.