Home / 5,620.14-8,413.20-4,515.30

Finding the Fourth Proportional to 5,620.14, 8,413.20 and 4,515.30

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Solution

The fourth proportional to 5,620.14, 8,413.20 and 4,515.30 is: 6,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.14 : 8,413.20 = 4,515.30 : x
  2. Step 2: Convert to fraction form
    5,620.14/8,413.20 = 4,515.30/x
  3. Step 3: Cross multiply
    5,620.14x = 8,413.20 × 4,515.30
  4. Step 4: Simplify right side
    5,620.14x = 37,988,121.96
  5. Step 5: Solve for x
    x = 37,988,121.96/5,620.14
  6. Step 6: Final answer
    x = 6,759.28

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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.