Home / 6,821.85-10,233.42-2,662.21

Finding the Fourth Proportional to 6,821.85, 10,233.42 and 2,662.21

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Solution

The fourth proportional to 6,821.85, 10,233.42 and 2,662.21 is: 3,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.85 : 10,233.42 = 2,662.21 : x
  2. Step 2: Convert to fraction form
    6,821.85/10,233.42 = 2,662.21/x
  3. Step 3: Cross multiply
    6,821.85x = 10,233.42 × 2,662.21
  4. Step 4: Simplify right side
    6,821.85x = 27,243,513.06
  5. Step 5: Solve for x
    x = 27,243,513.06/6,821.85
  6. Step 6: Final answer
    x = 3,993.57

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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.