Home / 5,413.22-8,119.89-1,903.33

Finding the Fourth Proportional to 5,413.22, 8,119.89 and 1,903.33

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Solution

The fourth proportional to 5,413.22, 8,119.89 and 1,903.33 is: 2,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.22 : 8,119.89 = 1,903.33 : x
  2. Step 2: Convert to fraction form
    5,413.22/8,119.89 = 1,903.33/x
  3. Step 3: Cross multiply
    5,413.22x = 8,119.89 × 1,903.33
  4. Step 4: Simplify right side
    5,413.22x = 15,454,830.23
  5. Step 5: Solve for x
    x = 15,454,830.23/5,413.22
  6. Step 6: Final answer
    x = 2,855.02

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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.