Home / 6,821.62-10,222.92-3,816.92

Finding the Fourth Proportional to 6,821.62, 10,222.92 and 3,816.92

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Solution

The fourth proportional to 6,821.62, 10,222.92 and 3,816.92 is: 5,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.62 : 10,222.92 = 3,816.92 : x
  2. Step 2: Convert to fraction form
    6,821.62/10,222.92 = 3,816.92/x
  3. Step 3: Cross multiply
    6,821.62x = 10,222.92 × 3,816.92
  4. Step 4: Simplify right side
    6,821.62x = 39,020,093.36
  5. Step 5: Solve for x
    x = 39,020,093.36/6,821.62
  6. Step 6: Final answer
    x = 5,720.06

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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.