Home / 5,413.25-8,120.87-1,716.41

Finding the Fourth Proportional to 5,413.25, 8,120.87 and 1,716.41

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Solution

The fourth proportional to 5,413.25, 8,120.87 and 1,716.41 is: 2,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.25 : 8,120.87 = 1,716.41 : x
  2. Step 2: Convert to fraction form
    5,413.25/8,120.87 = 1,716.41/x
  3. Step 3: Cross multiply
    5,413.25x = 8,120.87 × 1,716.41
  4. Step 4: Simplify right side
    5,413.25x = 13,938,742.48
  5. Step 5: Solve for x
    x = 13,938,742.48/5,413.25
  6. Step 6: Final answer
    x = 2,574.93

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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.