Home / 4,764.60-7,147.38-1,644.21

Finding the Fourth Proportional to 4,764.60, 7,147.38 and 1,644.21

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Solution

The fourth proportional to 4,764.60, 7,147.38 and 1,644.21 is: 2,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.60 : 7,147.38 = 1,644.21 : x
  2. Step 2: Convert to fraction form
    4,764.60/7,147.38 = 1,644.21/x
  3. Step 3: Cross multiply
    4,764.60x = 7,147.38 × 1,644.21
  4. Step 4: Simplify right side
    4,764.60x = 11,751,793.67
  5. Step 5: Solve for x
    x = 11,751,793.67/4,764.60
  6. Step 6: Final answer
    x = 2,466.48

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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.