Home / 5,179.41-7,764.26-2,579.49

Finding the Fourth Proportional to 5,179.41, 7,764.26 and 2,579.49

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Solution

The fourth proportional to 5,179.41, 7,764.26 and 2,579.49 is: 3,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.41 : 7,764.26 = 2,579.49 : x
  2. Step 2: Convert to fraction form
    5,179.41/7,764.26 = 2,579.49/x
  3. Step 3: Cross multiply
    5,179.41x = 7,764.26 × 2,579.49
  4. Step 4: Simplify right side
    5,179.41x = 20,027,818.13
  5. Step 5: Solve for x
    x = 20,027,818.13/5,179.41
  6. Step 6: Final answer
    x = 3,866.81

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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.