Home / 4,783.78-7,175.94-2,188.54

Finding the Fourth Proportional to 4,783.78, 7,175.94 and 2,188.54

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Solution

The fourth proportional to 4,783.78, 7,175.94 and 2,188.54 is: 3,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.78 : 7,175.94 = 2,188.54 : x
  2. Step 2: Convert to fraction form
    4,783.78/7,175.94 = 2,188.54/x
  3. Step 3: Cross multiply
    4,783.78x = 7,175.94 × 2,188.54
  4. Step 4: Simplify right side
    4,783.78x = 15,704,831.73
  5. Step 5: Solve for x
    x = 15,704,831.73/4,783.78
  6. Step 6: Final answer
    x = 3,282.93

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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.