Home / 8,270.87-11,414.78-4,735.22

Finding the Fourth Proportional to 8,270.87, 11,414.78 and 4,735.22

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Solution

The fourth proportional to 8,270.87, 11,414.78 and 4,735.22 is: 6,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.87 : 11,414.78 = 4,735.22 : x
  2. Step 2: Convert to fraction form
    8,270.87/11,414.78 = 4,735.22/x
  3. Step 3: Cross multiply
    8,270.87x = 11,414.78 × 4,735.22
  4. Step 4: Simplify right side
    8,270.87x = 54,051,413.80
  5. Step 5: Solve for x
    x = 54,051,413.80/8,270.87
  6. Step 6: Final answer
    x = 6,535.16

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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.