Home / 7,681.29-11,512.35-3,293.66

Finding the Fourth Proportional to 7,681.29, 11,512.35 and 3,293.66

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Solution

The fourth proportional to 7,681.29, 11,512.35 and 3,293.66 is: 4,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.29 : 11,512.35 = 3,293.66 : x
  2. Step 2: Convert to fraction form
    7,681.29/11,512.35 = 3,293.66/x
  3. Step 3: Cross multiply
    7,681.29x = 11,512.35 × 3,293.66
  4. Step 4: Simplify right side
    7,681.29x = 37,917,709.14
  5. Step 5: Solve for x
    x = 37,917,709.14/7,681.29
  6. Step 6: Final answer
    x = 4,936.37

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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.