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Finding the Fourth Proportional to 6,600.34, 9,881.07 and 3,995.38

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Solution

The fourth proportional to 6,600.34, 9,881.07 and 3,995.38 is: 5,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.34 : 9,881.07 = 3,995.38 : x
  2. Step 2: Convert to fraction form
    6,600.34/9,881.07 = 3,995.38/x
  3. Step 3: Cross multiply
    6,600.34x = 9,881.07 × 3,995.38
  4. Step 4: Simplify right side
    6,600.34x = 39,478,629.46
  5. Step 5: Solve for x
    x = 39,478,629.46/6,600.34
  6. Step 6: Final answer
    x = 5,981.30

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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.