Home / 6,831.64-10,247.87-2,151.80

Finding the Fourth Proportional to 6,831.64, 10,247.87 and 2,151.80

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Solution

The fourth proportional to 6,831.64, 10,247.87 and 2,151.80 is: 3,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.64 : 10,247.87 = 2,151.80 : x
  2. Step 2: Convert to fraction form
    6,831.64/10,247.87 = 2,151.80/x
  3. Step 3: Cross multiply
    6,831.64x = 10,247.87 × 2,151.80
  4. Step 4: Simplify right side
    6,831.64x = 22,051,347.13
  5. Step 5: Solve for x
    x = 22,051,347.13/6,831.64
  6. Step 6: Final answer
    x = 3,227.83

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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.