Home / 8,188.38-11,299.80-4,831.34

Finding the Fourth Proportional to 8,188.38, 11,299.80 and 4,831.34

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Solution

The fourth proportional to 8,188.38, 11,299.80 and 4,831.34 is: 6,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.38 : 11,299.80 = 4,831.34 : x
  2. Step 2: Convert to fraction form
    8,188.38/11,299.80 = 4,831.34/x
  3. Step 3: Cross multiply
    8,188.38x = 11,299.80 × 4,831.34
  4. Step 4: Simplify right side
    8,188.38x = 54,593,175.73
  5. Step 5: Solve for x
    x = 54,593,175.73/8,188.38
  6. Step 6: Final answer
    x = 6,667.15

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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.