Home / 4,982.88-6,874.92-2,886.96

Finding the Fourth Proportional to 4,982.88, 6,874.92 and 2,886.96

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Solution

The fourth proportional to 4,982.88, 6,874.92 and 2,886.96 is: 3,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.88 : 6,874.92 = 2,886.96 : x
  2. Step 2: Convert to fraction form
    4,982.88/6,874.92 = 2,886.96/x
  3. Step 3: Cross multiply
    4,982.88x = 6,874.92 × 2,886.96
  4. Step 4: Simplify right side
    4,982.88x = 19,847,619.04
  5. Step 5: Solve for x
    x = 19,847,619.04/4,982.88
  6. Step 6: Final answer
    x = 3,983.16

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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.