Home / 4,401.30-6,600.78-1,479

Finding the Fourth Proportional to 4,401.30, 6,600.78 and 1,479

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Solution

The fourth proportional to 4,401.30, 6,600.78 and 1,479 is: 2,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401.30 : 6,600.78 = 1,479 : x
  2. Step 2: Convert to fraction form
    4,401.30/6,600.78 = 1,479/x
  3. Step 3: Cross multiply
    4,401.30x = 6,600.78 × 1,479
  4. Step 4: Simplify right side
    4,401.30x = 9,762,553.62
  5. Step 5: Solve for x
    x = 9,762,553.62/4,401.30
  6. Step 6: Final answer
    x = 2,218.11

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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.