Home / 5,413.07-8,119.37-3,216.95

Finding the Fourth Proportional to 5,413.07, 8,119.37 and 3,216.95

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Solution

The fourth proportional to 5,413.07, 8,119.37 and 3,216.95 is: 4,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.07 : 8,119.37 = 3,216.95 : x
  2. Step 2: Convert to fraction form
    5,413.07/8,119.37 = 3,216.95/x
  3. Step 3: Cross multiply
    5,413.07x = 8,119.37 × 3,216.95
  4. Step 4: Simplify right side
    5,413.07x = 26,119,607.32
  5. Step 5: Solve for x
    x = 26,119,607.32/5,413.07
  6. Step 6: Final answer
    x = 4,825.29

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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.