Home / 6,600.78-9,901.26-2,707.92

Finding the Fourth Proportional to 6,600.78, 9,901.26 and 2,707.92

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Solution

The fourth proportional to 6,600.78, 9,901.26 and 2,707.92 is: 4,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.78 : 9,901.26 = 2,707.92 : x
  2. Step 2: Convert to fraction form
    6,600.78/9,901.26 = 2,707.92/x
  3. Step 3: Cross multiply
    6,600.78x = 9,901.26 × 2,707.92
  4. Step 4: Simplify right side
    6,600.78x = 26,811,819.98
  5. Step 5: Solve for x
    x = 26,811,819.98/6,600.78
  6. Step 6: Final answer
    x = 4,061.92

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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.