Home / 4,823.20-7,234.75-3,855.43

Finding the Fourth Proportional to 4,823.20, 7,234.75 and 3,855.43

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Solution

The fourth proportional to 4,823.20, 7,234.75 and 3,855.43 is: 5,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.20 : 7,234.75 = 3,855.43 : x
  2. Step 2: Convert to fraction form
    4,823.20/7,234.75 = 3,855.43/x
  3. Step 3: Cross multiply
    4,823.20x = 7,234.75 × 3,855.43
  4. Step 4: Simplify right side
    4,823.20x = 27,893,072.19
  5. Step 5: Solve for x
    x = 27,893,072.19/4,823.20
  6. Step 6: Final answer
    x = 5,783.11

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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.