Home / 4,876.60-6,726.54-2,887

Finding the Fourth Proportional to 4,876.60, 6,726.54 and 2,887

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Solution

The fourth proportional to 4,876.60, 6,726.54 and 2,887 is: 3,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.60 : 6,726.54 = 2,887 : x
  2. Step 2: Convert to fraction form
    4,876.60/6,726.54 = 2,887/x
  3. Step 3: Cross multiply
    4,876.60x = 6,726.54 × 2,887
  4. Step 4: Simplify right side
    4,876.60x = 19,419,520.98
  5. Step 5: Solve for x
    x = 19,419,520.98/4,876.60
  6. Step 6: Final answer
    x = 3,982.18

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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.