Home / 7,844.50-11,764.26-2,578.30

Finding the Fourth Proportional to 7,844.50, 11,764.26 and 2,578.30

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Solution

The fourth proportional to 7,844.50, 11,764.26 and 2,578.30 is: 3,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.50 : 11,764.26 = 2,578.30 : x
  2. Step 2: Convert to fraction form
    7,844.50/11,764.26 = 2,578.30/x
  3. Step 3: Cross multiply
    7,844.50x = 11,764.26 × 2,578.30
  4. Step 4: Simplify right side
    7,844.50x = 30,331,791.56
  5. Step 5: Solve for x
    x = 30,331,791.56/7,844.50
  6. Step 6: Final answer
    x = 3,866.63

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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.