Home / 6,816.07-9,406.16-3,831.91

Finding the Fourth Proportional to 6,816.07, 9,406.16 and 3,831.91

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Solution

The fourth proportional to 6,816.07, 9,406.16 and 3,831.91 is: 5,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.07 : 9,406.16 = 3,831.91 : x
  2. Step 2: Convert to fraction form
    6,816.07/9,406.16 = 3,831.91/x
  3. Step 3: Cross multiply
    6,816.07x = 9,406.16 × 3,831.91
  4. Step 4: Simplify right side
    6,816.07x = 36,043,544.63
  5. Step 5: Solve for x
    x = 36,043,544.63/6,816.07
  6. Step 6: Final answer
    x = 5,288.03

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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.