Home / 8,979.06-13,469.46-3,060.12

Finding the Fourth Proportional to 8,979.06, 13,469.46 and 3,060.12

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Solution

The fourth proportional to 8,979.06, 13,469.46 and 3,060.12 is: 4,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.06 : 13,469.46 = 3,060.12 : x
  2. Step 2: Convert to fraction form
    8,979.06/13,469.46 = 3,060.12/x
  3. Step 3: Cross multiply
    8,979.06x = 13,469.46 × 3,060.12
  4. Step 4: Simplify right side
    8,979.06x = 41,218,163.94
  5. Step 5: Solve for x
    x = 41,218,163.94/8,979.06
  6. Step 6: Final answer
    x = 4,590.48

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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.