Home / 8,831.25-13,244.45-3,286.80

Finding the Fourth Proportional to 8,831.25, 13,244.45 and 3,286.80

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Solution

The fourth proportional to 8,831.25, 13,244.45 and 3,286.80 is: 4,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.25 : 13,244.45 = 3,286.80 : x
  2. Step 2: Convert to fraction form
    8,831.25/13,244.45 = 3,286.80/x
  3. Step 3: Cross multiply
    8,831.25x = 13,244.45 × 3,286.80
  4. Step 4: Simplify right side
    8,831.25x = 43,531,841.83
  5. Step 5: Solve for x
    x = 43,531,841.83/8,831.25
  6. Step 6: Final answer
    x = 4,929.30

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1.5x scale

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.