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Finding the Fourth Proportional to 4,793.96, 7,181.34 and 2,193.32

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Solution

The fourth proportional to 4,793.96, 7,181.34 and 2,193.32 is: 3,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.96 : 7,181.34 = 2,193.32 : x
  2. Step 2: Convert to fraction form
    4,793.96/7,181.34 = 2,193.32/x
  3. Step 3: Cross multiply
    4,793.96x = 7,181.34 × 2,193.32
  4. Step 4: Simplify right side
    4,793.96x = 15,750,976.65
  5. Step 5: Solve for x
    x = 15,750,976.65/4,793.96
  6. Step 6: Final answer
    x = 3,285.59

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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.