Home / 4,910.85-6,776.94-2,672.73

Finding the Fourth Proportional to 4,910.85, 6,776.94 and 2,672.73

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Solution

The fourth proportional to 4,910.85, 6,776.94 and 2,672.73 is: 3,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.85 : 6,776.94 = 2,672.73 : x
  2. Step 2: Convert to fraction form
    4,910.85/6,776.94 = 2,672.73/x
  3. Step 3: Cross multiply
    4,910.85x = 6,776.94 × 2,672.73
  4. Step 4: Simplify right side
    4,910.85x = 18,112,905.98
  5. Step 5: Solve for x
    x = 18,112,905.98/4,910.85
  6. Step 6: Final answer
    x = 3,688.34

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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.