Home / 7,792.31-11,677.07-3,842.39

Finding the Fourth Proportional to 7,792.31, 11,677.07 and 3,842.39

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Solution

The fourth proportional to 7,792.31, 11,677.07 and 3,842.39 is: 5,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.31 : 11,677.07 = 3,842.39 : x
  2. Step 2: Convert to fraction form
    7,792.31/11,677.07 = 3,842.39/x
  3. Step 3: Cross multiply
    7,792.31x = 11,677.07 × 3,842.39
  4. Step 4: Simplify right side
    7,792.31x = 44,867,779.40
  5. Step 5: Solve for x
    x = 44,867,779.40/7,792.31
  6. Step 6: Final answer
    x = 5,757.96

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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.