Home / 6,798.28-10,198.86-3,290.80

Finding the Fourth Proportional to 6,798.28, 10,198.86 and 3,290.80

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Solution

The fourth proportional to 6,798.28, 10,198.86 and 3,290.80 is: 4,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.28 : 10,198.86 = 3,290.80 : x
  2. Step 2: Convert to fraction form
    6,798.28/10,198.86 = 3,290.80/x
  3. Step 3: Cross multiply
    6,798.28x = 10,198.86 × 3,290.80
  4. Step 4: Simplify right side
    6,798.28x = 33,562,408.49
  5. Step 5: Solve for x
    x = 33,562,408.49/6,798.28
  6. Step 6: Final answer
    x = 4,936.90

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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.