Home / 5,413.94-8,122.35-1,716.25

Finding the Fourth Proportional to 5,413.94, 8,122.35 and 1,716.25

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Solution

The fourth proportional to 5,413.94, 8,122.35 and 1,716.25 is: 2,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.94 : 8,122.35 = 1,716.25 : x
  2. Step 2: Convert to fraction form
    5,413.94/8,122.35 = 1,716.25/x
  3. Step 3: Cross multiply
    5,413.94x = 8,122.35 × 1,716.25
  4. Step 4: Simplify right side
    5,413.94x = 13,939,942.58
  5. Step 5: Solve for x
    x = 13,939,942.58/5,413.94
  6. Step 6: Final answer
    x = 2,574.82

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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.