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Finding the Fourth Proportional to 6,628.36, 9,942.02 and 2,930.71

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Solution

The fourth proportional to 6,628.36, 9,942.02 and 2,930.71 is: 4,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.36 : 9,942.02 = 2,930.71 : x
  2. Step 2: Convert to fraction form
    6,628.36/9,942.02 = 2,930.71/x
  3. Step 3: Cross multiply
    6,628.36x = 9,942.02 × 2,930.71
  4. Step 4: Simplify right side
    6,628.36x = 29,137,177.43
  5. Step 5: Solve for x
    x = 29,137,177.43/6,628.36
  6. Step 6: Final answer
    x = 4,395.84

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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.