Home / 4,988.50-6,883.99-2,863.97

Finding the Fourth Proportional to 4,988.50, 6,883.99 and 2,863.97

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Solution

The fourth proportional to 4,988.50, 6,883.99 and 2,863.97 is: 3,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.50 : 6,883.99 = 2,863.97 : x
  2. Step 2: Convert to fraction form
    4,988.50/6,883.99 = 2,863.97/x
  3. Step 3: Cross multiply
    4,988.50x = 6,883.99 × 2,863.97
  4. Step 4: Simplify right side
    4,988.50x = 19,715,540.84
  5. Step 5: Solve for x
    x = 19,715,540.84/4,988.50
  6. Step 6: Final answer
    x = 3,952.20

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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.