Home / 4,986.11-6,881.82-2,863.08

Finding the Fourth Proportional to 4,986.11, 6,881.82 and 2,863.08

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Solution

The fourth proportional to 4,986.11, 6,881.82 and 2,863.08 is: 3,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.11 : 6,881.82 = 2,863.08 : x
  2. Step 2: Convert to fraction form
    4,986.11/6,881.82 = 2,863.08/x
  3. Step 3: Cross multiply
    4,986.11x = 6,881.82 × 2,863.08
  4. Step 4: Simplify right side
    4,986.11x = 19,703,201.21
  5. Step 5: Solve for x
    x = 19,703,201.21/4,986.11
  6. Step 6: Final answer
    x = 3,951.62

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1.5x scale

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.