Home / 4,988.26-6,882.69-2,863.66

Finding the Fourth Proportional to 4,988.26, 6,882.69 and 2,863.66

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Solution

The fourth proportional to 4,988.26, 6,882.69 and 2,863.66 is: 3,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.26 : 6,882.69 = 2,863.66 : x
  2. Step 2: Convert to fraction form
    4,988.26/6,882.69 = 2,863.66/x
  3. Step 3: Cross multiply
    4,988.26x = 6,882.69 × 2,863.66
  4. Step 4: Simplify right side
    4,988.26x = 19,709,684.05
  5. Step 5: Solve for x
    x = 19,709,684.05/4,988.26
  6. Step 6: Final answer
    x = 3,951.21

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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.