Home / 6,949.76-10,419.42-3,831.08

Finding the Fourth Proportional to 6,949.76, 10,419.42 and 3,831.08

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Solution

The fourth proportional to 6,949.76, 10,419.42 and 3,831.08 is: 5,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.76 : 10,419.42 = 3,831.08 : x
  2. Step 2: Convert to fraction form
    6,949.76/10,419.42 = 3,831.08/x
  3. Step 3: Cross multiply
    6,949.76x = 10,419.42 × 3,831.08
  4. Step 4: Simplify right side
    6,949.76x = 39,917,631.57
  5. Step 5: Solve for x
    x = 39,917,631.57/6,949.76
  6. Step 6: Final answer
    x = 5,743.74

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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.