Home / 5,413.84-8,116.98-2,490.55

Finding the Fourth Proportional to 5,413.84, 8,116.98 and 2,490.55

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Solution

The fourth proportional to 5,413.84, 8,116.98 and 2,490.55 is: 3,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.84 : 8,116.98 = 2,490.55 : x
  2. Step 2: Convert to fraction form
    5,413.84/8,116.98 = 2,490.55/x
  3. Step 3: Cross multiply
    5,413.84x = 8,116.98 × 2,490.55
  4. Step 4: Simplify right side
    5,413.84x = 20,215,744.54
  5. Step 5: Solve for x
    x = 20,215,744.54/5,413.84
  6. Step 6: Final answer
    x = 3,734.09

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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.