Home / 5,413.47-8,119.68-3,669.68

Finding the Fourth Proportional to 5,413.47, 8,119.68 and 3,669.68

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Solution

The fourth proportional to 5,413.47, 8,119.68 and 3,669.68 is: 5,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.47 : 8,119.68 = 3,669.68 : x
  2. Step 2: Convert to fraction form
    5,413.47/8,119.68 = 3,669.68/x
  3. Step 3: Cross multiply
    5,413.47x = 8,119.68 × 3,669.68
  4. Step 4: Simplify right side
    5,413.47x = 29,796,611.00
  5. Step 5: Solve for x
    x = 29,796,611.00/5,413.47
  6. Step 6: Final answer
    x = 5,504.16

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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.