Home / 5,104.15-7,043.30-2,865.85

Finding the Fourth Proportional to 5,104.15, 7,043.30 and 2,865.85

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Solution

The fourth proportional to 5,104.15, 7,043.30 and 2,865.85 is: 3,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.15 : 7,043.30 = 2,865.85 : x
  2. Step 2: Convert to fraction form
    5,104.15/7,043.30 = 2,865.85/x
  3. Step 3: Cross multiply
    5,104.15x = 7,043.30 × 2,865.85
  4. Step 4: Simplify right side
    5,104.15x = 20,185,026.98
  5. Step 5: Solve for x
    x = 20,185,026.98/5,104.15
  6. Step 6: Final answer
    x = 3,954.63

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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.