Home / 4,987.97-6,883.60-2,863.84

Finding the Fourth Proportional to 4,987.97, 6,883.60 and 2,863.84

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Solution

The fourth proportional to 4,987.97, 6,883.60 and 2,863.84 is: 3,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.97 : 6,883.60 = 2,863.84 : x
  2. Step 2: Convert to fraction form
    4,987.97/6,883.60 = 2,863.84/x
  3. Step 3: Cross multiply
    4,987.97x = 6,883.60 × 2,863.84
  4. Step 4: Simplify right side
    4,987.97x = 19,713,529.02
  5. Step 5: Solve for x
    x = 19,713,529.02/4,987.97
  6. Step 6: Final answer
    x = 3,952.21

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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.