Home / 5,979.22-8,964.78-2,081.50

Finding the Fourth Proportional to 5,979.22, 8,964.78 and 2,081.50

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Solution

The fourth proportional to 5,979.22, 8,964.78 and 2,081.50 is: 3,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.22 : 8,964.78 = 2,081.50 : x
  2. Step 2: Convert to fraction form
    5,979.22/8,964.78 = 2,081.50/x
  3. Step 3: Cross multiply
    5,979.22x = 8,964.78 × 2,081.50
  4. Step 4: Simplify right side
    5,979.22x = 18,660,189.57
  5. Step 5: Solve for x
    x = 18,660,189.57/5,979.22
  6. Step 6: Final answer
    x = 3,120.84

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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.