Home / 6,738.24-10,100.88-2,118

Finding the Fourth Proportional to 6,738.24, 10,100.88 and 2,118

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Solution

The fourth proportional to 6,738.24, 10,100.88 and 2,118 is: 3,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.24 : 10,100.88 = 2,118 : x
  2. Step 2: Convert to fraction form
    6,738.24/10,100.88 = 2,118/x
  3. Step 3: Cross multiply
    6,738.24x = 10,100.88 × 2,118
  4. Step 4: Simplify right side
    6,738.24x = 21,393,663.84
  5. Step 5: Solve for x
    x = 21,393,663.84/6,738.24
  6. Step 6: Final answer
    x = 3,174.96

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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.