Home / 6,940.92-10,405.91-2,555.98

Finding the Fourth Proportional to 6,940.92, 10,405.91 and 2,555.98

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Solution

The fourth proportional to 6,940.92, 10,405.91 and 2,555.98 is: 3,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.92 : 10,405.91 = 2,555.98 : x
  2. Step 2: Convert to fraction form
    6,940.92/10,405.91 = 2,555.98/x
  3. Step 3: Cross multiply
    6,940.92x = 10,405.91 × 2,555.98
  4. Step 4: Simplify right side
    6,940.92x = 26,597,285.06
  5. Step 5: Solve for x
    x = 26,597,285.06/6,940.92
  6. Step 6: Final answer
    x = 3,831.96

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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.