Home / 6,198.61-9,290.91-3,080.80

Finding the Fourth Proportional to 6,198.61, 9,290.91 and 3,080.80

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Solution

The fourth proportional to 6,198.61, 9,290.91 and 3,080.80 is: 4,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.61 : 9,290.91 = 3,080.80 : x
  2. Step 2: Convert to fraction form
    6,198.61/9,290.91 = 3,080.80/x
  3. Step 3: Cross multiply
    6,198.61x = 9,290.91 × 3,080.80
  4. Step 4: Simplify right side
    6,198.61x = 28,623,435.53
  5. Step 5: Solve for x
    x = 28,623,435.53/6,198.61
  6. Step 6: Final answer
    x = 4,617.72

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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.