Home / 4,979.70-7,469.49-1,695.09

Finding the Fourth Proportional to 4,979.70, 7,469.49 and 1,695.09

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Solution

The fourth proportional to 4,979.70, 7,469.49 and 1,695.09 is: 2,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.70 : 7,469.49 = 1,695.09 : x
  2. Step 2: Convert to fraction form
    4,979.70/7,469.49 = 1,695.09/x
  3. Step 3: Cross multiply
    4,979.70x = 7,469.49 × 1,695.09
  4. Step 4: Simplify right side
    4,979.70x = 12,661,426.62
  5. Step 5: Solve for x
    x = 12,661,426.62/4,979.70
  6. Step 6: Final answer
    x = 2,542.61

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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.