Home / 7,789.14-11,685.66-2,242.36

Finding the Fourth Proportional to 7,789.14, 11,685.66 and 2,242.36

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Solution

The fourth proportional to 7,789.14, 11,685.66 and 2,242.36 is: 3,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.14 : 11,685.66 = 2,242.36 : x
  2. Step 2: Convert to fraction form
    7,789.14/11,685.66 = 2,242.36/x
  3. Step 3: Cross multiply
    7,789.14x = 11,685.66 × 2,242.36
  4. Step 4: Simplify right side
    7,789.14x = 26,203,456.56
  5. Step 5: Solve for x
    x = 26,203,456.56/7,789.14
  6. Step 6: Final answer
    x = 3,364.10

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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.