Home / 6,831.28-10,248.46-2,087.87

Finding the Fourth Proportional to 6,831.28, 10,248.46 and 2,087.87

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Solution

The fourth proportional to 6,831.28, 10,248.46 and 2,087.87 is: 3,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.28 : 10,248.46 = 2,087.87 : x
  2. Step 2: Convert to fraction form
    6,831.28/10,248.46 = 2,087.87/x
  3. Step 3: Cross multiply
    6,831.28x = 10,248.46 × 2,087.87
  4. Step 4: Simplify right side
    6,831.28x = 21,397,400.94
  5. Step 5: Solve for x
    x = 21,397,400.94/6,831.28
  6. Step 6: Final answer
    x = 3,132.27

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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.