Home / 6,940.56-10,415.86-2,724.44

Finding the Fourth Proportional to 6,940.56, 10,415.86 and 2,724.44

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Solution

The fourth proportional to 6,940.56, 10,415.86 and 2,724.44 is: 4,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.56 : 10,415.86 = 2,724.44 : x
  2. Step 2: Convert to fraction form
    6,940.56/10,415.86 = 2,724.44/x
  3. Step 3: Cross multiply
    6,940.56x = 10,415.86 × 2,724.44
  4. Step 4: Simplify right side
    6,940.56x = 28,377,385.62
  5. Step 5: Solve for x
    x = 28,377,385.62/6,940.56
  6. Step 6: Final answer
    x = 4,088.63

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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.