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Finding the Fourth Proportional to 4,447.86, 6,655.37 and 3,660.54

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Solution

The fourth proportional to 4,447.86, 6,655.37 and 3,660.54 is: 5,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.86 : 6,655.37 = 3,660.54 : x
  2. Step 2: Convert to fraction form
    4,447.86/6,655.37 = 3,660.54/x
  3. Step 3: Cross multiply
    4,447.86x = 6,655.37 × 3,660.54
  4. Step 4: Simplify right side
    4,447.86x = 24,362,229.80
  5. Step 5: Solve for x
    x = 24,362,229.80/4,447.86
  6. Step 6: Final answer
    x = 5,477.29

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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.