Home / 4,765.42-7,148.45-1,645.73

Finding the Fourth Proportional to 4,765.42, 7,148.45 and 1,645.73

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Solution

The fourth proportional to 4,765.42, 7,148.45 and 1,645.73 is: 2,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.42 : 7,148.45 = 1,645.73 : x
  2. Step 2: Convert to fraction form
    4,765.42/7,148.45 = 1,645.73/x
  3. Step 3: Cross multiply
    4,765.42x = 7,148.45 × 1,645.73
  4. Step 4: Simplify right side
    4,765.42x = 11,764,418.62
  5. Step 5: Solve for x
    x = 11,764,418.62/4,765.42
  6. Step 6: Final answer
    x = 2,468.71

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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.