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Finding the Fourth Proportional to 6,355.48, 8,773.21 and 3,837.05

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Solution

The fourth proportional to 6,355.48, 8,773.21 and 3,837.05 is: 5,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.48 : 8,773.21 = 3,837.05 : x
  2. Step 2: Convert to fraction form
    6,355.48/8,773.21 = 3,837.05/x
  3. Step 3: Cross multiply
    6,355.48x = 8,773.21 × 3,837.05
  4. Step 4: Simplify right side
    6,355.48x = 33,663,214.59
  5. Step 5: Solve for x
    x = 33,663,214.59/6,355.48
  6. Step 6: Final answer
    x = 5,296.73

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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.