Home / 6,816.78-10,225.22-2,199.78

Finding the Fourth Proportional to 6,816.78, 10,225.22 and 2,199.78

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Solution

The fourth proportional to 6,816.78, 10,225.22 and 2,199.78 is: 3,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.78 : 10,225.22 = 2,199.78 : x
  2. Step 2: Convert to fraction form
    6,816.78/10,225.22 = 2,199.78/x
  3. Step 3: Cross multiply
    6,816.78x = 10,225.22 × 2,199.78
  4. Step 4: Simplify right side
    6,816.78x = 22,493,223.45
  5. Step 5: Solve for x
    x = 22,493,223.45/6,816.78
  6. Step 6: Final answer
    x = 3,299.68

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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.