Home / 8,049.20-12,073.80-2,206.40

Finding the Fourth Proportional to 8,049.20, 12,073.80 and 2,206.40

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Solution

The fourth proportional to 8,049.20, 12,073.80 and 2,206.40 is: 3,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.20 : 12,073.80 = 2,206.40 : x
  2. Step 2: Convert to fraction form
    8,049.20/12,073.80 = 2,206.40/x
  3. Step 3: Cross multiply
    8,049.20x = 12,073.80 × 2,206.40
  4. Step 4: Simplify right side
    8,049.20x = 26,639,632.32
  5. Step 5: Solve for x
    x = 26,639,632.32/8,049.20
  6. Step 6: Final answer
    x = 3,309.60

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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.