Home / 4,974.03-6,863.40-2,877.75

Finding the Fourth Proportional to 4,974.03, 6,863.40 and 2,877.75

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Solution

The fourth proportional to 4,974.03, 6,863.40 and 2,877.75 is: 3,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.03 : 6,863.40 = 2,877.75 : x
  2. Step 2: Convert to fraction form
    4,974.03/6,863.40 = 2,877.75/x
  3. Step 3: Cross multiply
    4,974.03x = 6,863.40 × 2,877.75
  4. Step 4: Simplify right side
    4,974.03x = 19,751,149.35
  5. Step 5: Solve for x
    x = 19,751,149.35/4,974.03
  6. Step 6: Final answer
    x = 3,970.85

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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.