Home / 4,972.46-6,857.43-3,849.80

Finding the Fourth Proportional to 4,972.46, 6,857.43 and 3,849.80

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Solution

The fourth proportional to 4,972.46, 6,857.43 and 3,849.80 is: 5,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.46 : 6,857.43 = 3,849.80 : x
  2. Step 2: Convert to fraction form
    4,972.46/6,857.43 = 3,849.80/x
  3. Step 3: Cross multiply
    4,972.46x = 6,857.43 × 3,849.80
  4. Step 4: Simplify right side
    4,972.46x = 26,399,734.01
  5. Step 5: Solve for x
    x = 26,399,734.01/4,972.46
  6. Step 6: Final answer
    x = 5,309.19

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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.