Home / 4,986.20-6,883.82-3,309.87

Finding the Fourth Proportional to 4,986.20, 6,883.82 and 3,309.87

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Solution

The fourth proportional to 4,986.20, 6,883.82 and 3,309.87 is: 4,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.20 : 6,883.82 = 3,309.87 : x
  2. Step 2: Convert to fraction form
    4,986.20/6,883.82 = 3,309.87/x
  3. Step 3: Cross multiply
    4,986.20x = 6,883.82 × 3,309.87
  4. Step 4: Simplify right side
    4,986.20x = 22,784,570.98
  5. Step 5: Solve for x
    x = 22,784,570.98/4,986.20
  6. Step 6: Final answer
    x = 4,569.52

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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.