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Finding the Fourth Proportional to 6,635.70, 9,946.56 and 3,341.87

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Solution

The fourth proportional to 6,635.70, 9,946.56 and 3,341.87 is: 5,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.70 : 9,946.56 = 3,341.87 : x
  2. Step 2: Convert to fraction form
    6,635.70/9,946.56 = 3,341.87/x
  3. Step 3: Cross multiply
    6,635.70x = 9,946.56 × 3,341.87
  4. Step 4: Simplify right side
    6,635.70x = 33,240,110.47
  5. Step 5: Solve for x
    x = 33,240,110.47/6,635.70
  6. Step 6: Final answer
    x = 5,009.29

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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.