Home / 6,206.20-9,310.10-3,087.80

Finding the Fourth Proportional to 6,206.20, 9,310.10 and 3,087.80

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Solution

The fourth proportional to 6,206.20, 9,310.10 and 3,087.80 is: 4,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.20 : 9,310.10 = 3,087.80 : x
  2. Step 2: Convert to fraction form
    6,206.20/9,310.10 = 3,087.80/x
  3. Step 3: Cross multiply
    6,206.20x = 9,310.10 × 3,087.80
  4. Step 4: Simplify right side
    6,206.20x = 28,747,726.78
  5. Step 5: Solve for x
    x = 28,747,726.78/6,206.20
  6. Step 6: Final answer
    x = 4,632.10

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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.