Home / 5,234.31-7,842.20-2,763.68

Finding the Fourth Proportional to 5,234.31, 7,842.20 and 2,763.68

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Solution

The fourth proportional to 5,234.31, 7,842.20 and 2,763.68 is: 4,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.31 : 7,842.20 = 2,763.68 : x
  2. Step 2: Convert to fraction form
    5,234.31/7,842.20 = 2,763.68/x
  3. Step 3: Cross multiply
    5,234.31x = 7,842.20 × 2,763.68
  4. Step 4: Simplify right side
    5,234.31x = 21,673,278.27
  5. Step 5: Solve for x
    x = 21,673,278.27/5,234.31
  6. Step 6: Final answer
    x = 4,140.62

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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.