Home / 4,982.88-6,876.18-2,887.02

Finding the Fourth Proportional to 4,982.88, 6,876.18 and 2,887.02

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Solution

The fourth proportional to 4,982.88, 6,876.18 and 2,887.02 is: 3,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.88 : 6,876.18 = 2,887.02 : x
  2. Step 2: Convert to fraction form
    4,982.88/6,876.18 = 2,887.02/x
  3. Step 3: Cross multiply
    4,982.88x = 6,876.18 × 2,887.02
  4. Step 4: Simplify right side
    4,982.88x = 19,851,669.18
  5. Step 5: Solve for x
    x = 19,851,669.18/4,982.88
  6. Step 6: Final answer
    x = 3,983.97

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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.