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Finding the Fourth Proportional to 6,635, 9,155.70 and 3,650.96

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Solution

The fourth proportional to 6,635, 9,155.70 and 3,650.96 is: 5,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635 : 9,155.70 = 3,650.96 : x
  2. Step 2: Convert to fraction form
    6,635/9,155.70 = 3,650.96/x
  3. Step 3: Cross multiply
    6,635x = 9,155.70 × 3,650.96
  4. Step 4: Simplify right side
    6,635x = 33,427,094.47
  5. Step 5: Solve for x
    x = 33,427,094.47/6,635
  6. Step 6: Final answer
    x = 5,037.99

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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.