Home / 6,309.31-9,456.79-3,838.69

Finding the Fourth Proportional to 6,309.31, 9,456.79 and 3,838.69

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Solution

The fourth proportional to 6,309.31, 9,456.79 and 3,838.69 is: 5,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.31 : 9,456.79 = 3,838.69 : x
  2. Step 2: Convert to fraction form
    6,309.31/9,456.79 = 3,838.69/x
  3. Step 3: Cross multiply
    6,309.31x = 9,456.79 × 3,838.69
  4. Step 4: Simplify right side
    6,309.31x = 36,301,637.92
  5. Step 5: Solve for x
    x = 36,301,637.92/6,309.31
  6. Step 6: Final answer
    x = 5,753.66

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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.