Home / 4,962.30-7,441.47-2,187

Finding the Fourth Proportional to 4,962.30, 7,441.47 and 2,187

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Solution

The fourth proportional to 4,962.30, 7,441.47 and 2,187 is: 3,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,962.30 : 7,441.47 = 2,187 : x
  2. Step 2: Convert to fraction form
    4,962.30/7,441.47 = 2,187/x
  3. Step 3: Cross multiply
    4,962.30x = 7,441.47 × 2,187
  4. Step 4: Simplify right side
    4,962.30x = 16,274,487.97
  5. Step 5: Solve for x
    x = 16,274,487.97/4,962.30
  6. Step 6: Final answer
    x = 3,279.63

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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.