Home / 5,149.96-7,722.42-1,862.56

Finding the Fourth Proportional to 5,149.96, 7,722.42 and 1,862.56

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Solution

The fourth proportional to 5,149.96, 7,722.42 and 1,862.56 is: 2,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.96 : 7,722.42 = 1,862.56 : x
  2. Step 2: Convert to fraction form
    5,149.96/7,722.42 = 1,862.56/x
  3. Step 3: Cross multiply
    5,149.96x = 7,722.42 × 1,862.56
  4. Step 4: Simplify right side
    5,149.96x = 14,383,470.60
  5. Step 5: Solve for x
    x = 14,383,470.60/5,149.96
  6. Step 6: Final answer
    x = 2,792.93

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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.