Home / 6,813.10-10,222.69-3,305.80

Finding the Fourth Proportional to 6,813.10, 10,222.69 and 3,305.80

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Solution

The fourth proportional to 6,813.10, 10,222.69 and 3,305.80 is: 4,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.10 : 10,222.69 = 3,305.80 : x
  2. Step 2: Convert to fraction form
    6,813.10/10,222.69 = 3,305.80/x
  3. Step 3: Cross multiply
    6,813.10x = 10,222.69 × 3,305.80
  4. Step 4: Simplify right side
    6,813.10x = 33,794,168.60
  5. Step 5: Solve for x
    x = 33,794,168.60/6,813.10
  6. Step 6: Final answer
    x = 4,960.18

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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.