Home / 8,206.15-11,322.99-4,620.55

Finding the Fourth Proportional to 8,206.15, 11,322.99 and 4,620.55

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Solution

The fourth proportional to 8,206.15, 11,322.99 and 4,620.55 is: 6,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.15 : 11,322.99 = 4,620.55 : x
  2. Step 2: Convert to fraction form
    8,206.15/11,322.99 = 4,620.55/x
  3. Step 3: Cross multiply
    8,206.15x = 11,322.99 × 4,620.55
  4. Step 4: Simplify right side
    8,206.15x = 52,318,413.14
  5. Step 5: Solve for x
    x = 52,318,413.14/8,206.15
  6. Step 6: Final answer
    x = 6,375.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.