Home / 6,816.06-9,406.25-3,831.72

Finding the Fourth Proportional to 6,816.06, 9,406.25 and 3,831.72

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Solution

The fourth proportional to 6,816.06, 9,406.25 and 3,831.72 is: 5,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.06 : 9,406.25 = 3,831.72 : x
  2. Step 2: Convert to fraction form
    6,816.06/9,406.25 = 3,831.72/x
  3. Step 3: Cross multiply
    6,816.06x = 9,406.25 × 3,831.72
  4. Step 4: Simplify right side
    6,816.06x = 36,042,116.25
  5. Step 5: Solve for x
    x = 36,042,116.25/6,816.06
  6. Step 6: Final answer
    x = 5,287.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.