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Finding the Fourth Proportional to 6,627, 9,940.50 and 3,114.82

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Solution

The fourth proportional to 6,627, 9,940.50 and 3,114.82 is: 4,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627 : 9,940.50 = 3,114.82 : x
  2. Step 2: Convert to fraction form
    6,627/9,940.50 = 3,114.82/x
  3. Step 3: Cross multiply
    6,627x = 9,940.50 × 3,114.82
  4. Step 4: Simplify right side
    6,627x = 30,962,868.21
  5. Step 5: Solve for x
    x = 30,962,868.21/6,627
  6. Step 6: Final answer
    x = 4,672.23

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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.