Home / 7,724.70-11,587.94-2,796.66

Finding the Fourth Proportional to 7,724.70, 11,587.94 and 2,796.66

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Solution

The fourth proportional to 7,724.70, 11,587.94 and 2,796.66 is: 4,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.70 : 11,587.94 = 2,796.66 : x
  2. Step 2: Convert to fraction form
    7,724.70/11,587.94 = 2,796.66/x
  3. Step 3: Cross multiply
    7,724.70x = 11,587.94 × 2,796.66
  4. Step 4: Simplify right side
    7,724.70x = 32,407,528.28
  5. Step 5: Solve for x
    x = 32,407,528.28/7,724.70
  6. Step 6: Final answer
    x = 4,195.31

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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.