Home / 6,979.55-10,469.39-1,714.55

Finding the Fourth Proportional to 6,979.55, 10,469.39 and 1,714.55

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Solution

The fourth proportional to 6,979.55, 10,469.39 and 1,714.55 is: 2,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.55 : 10,469.39 = 1,714.55 : x
  2. Step 2: Convert to fraction form
    6,979.55/10,469.39 = 1,714.55/x
  3. Step 3: Cross multiply
    6,979.55x = 10,469.39 × 1,714.55
  4. Step 4: Simplify right side
    6,979.55x = 17,950,231.70
  5. Step 5: Solve for x
    x = 17,950,231.70/6,979.55
  6. Step 6: Final answer
    x = 2,571.83

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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.