Home / 5,351.78-7,384.25-3,361.61

Finding the Fourth Proportional to 5,351.78, 7,384.25 and 3,361.61

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Solution

The fourth proportional to 5,351.78, 7,384.25 and 3,361.61 is: 4,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.78 : 7,384.25 = 3,361.61 : x
  2. Step 2: Convert to fraction form
    5,351.78/7,384.25 = 3,361.61/x
  3. Step 3: Cross multiply
    5,351.78x = 7,384.25 × 3,361.61
  4. Step 4: Simplify right side
    5,351.78x = 24,822,951.83
  5. Step 5: Solve for x
    x = 24,822,951.83/5,351.78
  6. Step 6: Final answer
    x = 4,638.26

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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.