Home / 4,644.75-6,969.41-2,179.77

Finding the Fourth Proportional to 4,644.75, 6,969.41 and 2,179.77

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Solution

The fourth proportional to 4,644.75, 6,969.41 and 2,179.77 is: 3,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.75 : 6,969.41 = 2,179.77 : x
  2. Step 2: Convert to fraction form
    4,644.75/6,969.41 = 2,179.77/x
  3. Step 3: Cross multiply
    4,644.75x = 6,969.41 × 2,179.77
  4. Step 4: Simplify right side
    4,644.75x = 15,191,734.25
  5. Step 5: Solve for x
    x = 15,191,734.25/4,644.75
  6. Step 6: Final answer
    x = 3,270.73

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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.