Home / 7,418.56-11,127.84-2,224.44

Finding the Fourth Proportional to 7,418.56, 11,127.84 and 2,224.44

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Solution

The fourth proportional to 7,418.56, 11,127.84 and 2,224.44 is: 3,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.56 : 11,127.84 = 2,224.44 : x
  2. Step 2: Convert to fraction form
    7,418.56/11,127.84 = 2,224.44/x
  3. Step 3: Cross multiply
    7,418.56x = 11,127.84 × 2,224.44
  4. Step 4: Simplify right side
    7,418.56x = 24,753,212.41
  5. Step 5: Solve for x
    x = 24,753,212.41/7,418.56
  6. Step 6: Final answer
    x = 3,336.66

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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.