Home / 7,794.40-11,683.32-3,629.56

Finding the Fourth Proportional to 7,794.40, 11,683.32 and 3,629.56

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Solution

The fourth proportional to 7,794.40, 11,683.32 and 3,629.56 is: 5,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.40 : 11,683.32 = 3,629.56 : x
  2. Step 2: Convert to fraction form
    7,794.40/11,683.32 = 3,629.56/x
  3. Step 3: Cross multiply
    7,794.40x = 11,683.32 × 3,629.56
  4. Step 4: Simplify right side
    7,794.40x = 42,405,310.94
  5. Step 5: Solve for x
    x = 42,405,310.94/7,794.40
  6. Step 6: Final answer
    x = 5,440.48

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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.