Home / 4,694.70-7,039.38-2,821.14

Finding the Fourth Proportional to 4,694.70, 7,039.38 and 2,821.14

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Solution

The fourth proportional to 4,694.70, 7,039.38 and 2,821.14 is: 4,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.70 : 7,039.38 = 2,821.14 : x
  2. Step 2: Convert to fraction form
    4,694.70/7,039.38 = 2,821.14/x
  3. Step 3: Cross multiply
    4,694.70x = 7,039.38 × 2,821.14
  4. Step 4: Simplify right side
    4,694.70x = 19,859,076.49
  5. Step 5: Solve for x
    x = 19,859,076.49/4,694.70
  6. Step 6: Final answer
    x = 4,230.11

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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.