Home / 5,129.18-7,694.80-1,842.54

Finding the Fourth Proportional to 5,129.18, 7,694.80 and 1,842.54

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Solution

The fourth proportional to 5,129.18, 7,694.80 and 1,842.54 is: 2,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.18 : 7,694.80 = 1,842.54 : x
  2. Step 2: Convert to fraction form
    5,129.18/7,694.80 = 1,842.54/x
  3. Step 3: Cross multiply
    5,129.18x = 7,694.80 × 1,842.54
  4. Step 4: Simplify right side
    5,129.18x = 14,177,976.79
  5. Step 5: Solve for x
    x = 14,177,976.79/5,129.18
  6. Step 6: Final answer
    x = 2,764.18

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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.