Home / 7,639.07-11,456.75-3,194.33

Finding the Fourth Proportional to 7,639.07, 11,456.75 and 3,194.33

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Solution

The fourth proportional to 7,639.07, 11,456.75 and 3,194.33 is: 4,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.07 : 11,456.75 = 3,194.33 : x
  2. Step 2: Convert to fraction form
    7,639.07/11,456.75 = 3,194.33/x
  3. Step 3: Cross multiply
    7,639.07x = 11,456.75 × 3,194.33
  4. Step 4: Simplify right side
    7,639.07x = 36,596,566.97
  5. Step 5: Solve for x
    x = 36,596,566.97/7,639.07
  6. Step 6: Final answer
    x = 4,790.71

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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.