Home / 4,986.85-6,881.96-2,863.04

Finding the Fourth Proportional to 4,986.85, 6,881.96 and 2,863.04

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Solution

The fourth proportional to 4,986.85, 6,881.96 and 2,863.04 is: 3,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.85 : 6,881.96 = 2,863.04 : x
  2. Step 2: Convert to fraction form
    4,986.85/6,881.96 = 2,863.04/x
  3. Step 3: Cross multiply
    4,986.85x = 6,881.96 × 2,863.04
  4. Step 4: Simplify right side
    4,986.85x = 19,703,346.09
  5. Step 5: Solve for x
    x = 19,703,346.09/4,986.85
  6. Step 6: Final answer
    x = 3,951.06

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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.