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Finding the Fourth Proportional to 6,636, 9,157.68 and 3,841.50

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Solution

The fourth proportional to 6,636, 9,157.68 and 3,841.50 is: 5,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636 : 9,157.68 = 3,841.50 : x
  2. Step 2: Convert to fraction form
    6,636/9,157.68 = 3,841.50/x
  3. Step 3: Cross multiply
    6,636x = 9,157.68 × 3,841.50
  4. Step 4: Simplify right side
    6,636x = 35,179,227.72
  5. Step 5: Solve for x
    x = 35,179,227.72/6,636
  6. Step 6: Final answer
    x = 5,301.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.