Home / 7,413.75-10,230.98-6,786.36

Finding the Fourth Proportional to 7,413.75, 10,230.98 and 6,786.36

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Solution

The fourth proportional to 7,413.75, 10,230.98 and 6,786.36 is: 9,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.75 : 10,230.98 = 6,786.36 : x
  2. Step 2: Convert to fraction form
    7,413.75/10,230.98 = 6,786.36/x
  3. Step 3: Cross multiply
    7,413.75x = 10,230.98 × 6,786.36
  4. Step 4: Simplify right side
    7,413.75x = 69,431,079.50
  5. Step 5: Solve for x
    x = 69,431,079.50/7,413.75
  6. Step 6: Final answer
    x = 9,365.18

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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.