Home / 4,226.88-5,831.11-2,811.26

Finding the Fourth Proportional to 4,226.88, 5,831.11 and 2,811.26

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Solution

The fourth proportional to 4,226.88, 5,831.11 and 2,811.26 is: 3,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.88 : 5,831.11 = 2,811.26 : x
  2. Step 2: Convert to fraction form
    4,226.88/5,831.11 = 2,811.26/x
  3. Step 3: Cross multiply
    4,226.88x = 5,831.11 × 2,811.26
  4. Step 4: Simplify right side
    4,226.88x = 16,392,759.50
  5. Step 5: Solve for x
    x = 16,392,759.50/4,226.88
  6. Step 6: Final answer
    x = 3,878.21

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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.