Home / 4,879.79-7,306.05-2,650.62

Finding the Fourth Proportional to 4,879.79, 7,306.05 and 2,650.62

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Solution

The fourth proportional to 4,879.79, 7,306.05 and 2,650.62 is: 3,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.79 : 7,306.05 = 2,650.62 : x
  2. Step 2: Convert to fraction form
    4,879.79/7,306.05 = 2,650.62/x
  3. Step 3: Cross multiply
    4,879.79x = 7,306.05 × 2,650.62
  4. Step 4: Simplify right side
    4,879.79x = 19,365,584.68
  5. Step 5: Solve for x
    x = 19,365,584.68/4,879.79
  6. Step 6: Final answer
    x = 3,968.52

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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.