Home / 4,987.26-6,882.58-2,863.18

Finding the Fourth Proportional to 4,987.26, 6,882.58 and 2,863.18

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Solution

The fourth proportional to 4,987.26, 6,882.58 and 2,863.18 is: 3,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.26 : 6,882.58 = 2,863.18 : x
  2. Step 2: Convert to fraction form
    4,987.26/6,882.58 = 2,863.18/x
  3. Step 3: Cross multiply
    4,987.26x = 6,882.58 × 2,863.18
  4. Step 4: Simplify right side
    4,987.26x = 19,706,065.40
  5. Step 5: Solve for x
    x = 19,706,065.40/4,987.26
  6. Step 6: Final answer
    x = 3,951.28

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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.