Home / 7,413.44-11,119.33-1,866.79

Finding the Fourth Proportional to 7,413.44, 11,119.33 and 1,866.79

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Solution

The fourth proportional to 7,413.44, 11,119.33 and 1,866.79 is: 2,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.44 : 11,119.33 = 1,866.79 : x
  2. Step 2: Convert to fraction form
    7,413.44/11,119.33 = 1,866.79/x
  3. Step 3: Cross multiply
    7,413.44x = 11,119.33 × 1,866.79
  4. Step 4: Simplify right side
    7,413.44x = 20,757,398.45
  5. Step 5: Solve for x
    x = 20,757,398.45/7,413.44
  6. Step 6: Final answer
    x = 2,799.97

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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.