Home / 7,453.31-11,179.92-1,906.65

Finding the Fourth Proportional to 7,453.31, 11,179.92 and 1,906.65

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Solution

The fourth proportional to 7,453.31, 11,179.92 and 1,906.65 is: 2,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.31 : 11,179.92 = 1,906.65 : x
  2. Step 2: Convert to fraction form
    7,453.31/11,179.92 = 1,906.65/x
  3. Step 3: Cross multiply
    7,453.31x = 11,179.92 × 1,906.65
  4. Step 4: Simplify right side
    7,453.31x = 21,316,194.47
  5. Step 5: Solve for x
    x = 21,316,194.47/7,453.31
  6. Step 6: Final answer
    x = 2,859.96

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1.5x scale

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.