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Finding the Fourth Proportional to 7,067.23, 9,752.29 and 3,923.17

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Solution

The fourth proportional to 7,067.23, 9,752.29 and 3,923.17 is: 5,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.23 : 9,752.29 = 3,923.17 : x
  2. Step 2: Convert to fraction form
    7,067.23/9,752.29 = 3,923.17/x
  3. Step 3: Cross multiply
    7,067.23x = 9,752.29 × 3,923.17
  4. Step 4: Simplify right side
    7,067.23x = 38,259,891.56
  5. Step 5: Solve for x
    x = 38,259,891.56/7,067.23
  6. Step 6: Final answer
    x = 5,413.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.