Home / 8,069.80-12,104.70-2,226.40

Finding the Fourth Proportional to 8,069.80, 12,104.70 and 2,226.40

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Solution

The fourth proportional to 8,069.80, 12,104.70 and 2,226.40 is: 3,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.80 : 12,104.70 = 2,226.40 : x
  2. Step 2: Convert to fraction form
    8,069.80/12,104.70 = 2,226.40/x
  3. Step 3: Cross multiply
    8,069.80x = 12,104.70 × 2,226.40
  4. Step 4: Simplify right side
    8,069.80x = 26,949,904.08
  5. Step 5: Solve for x
    x = 26,949,904.08/8,069.80
  6. Step 6: Final answer
    x = 3,339.60

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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.