Home / 4,910.30-6,776.22-2,672.17

Finding the Fourth Proportional to 4,910.30, 6,776.22 and 2,672.17

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Solution

The fourth proportional to 4,910.30, 6,776.22 and 2,672.17 is: 3,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.30 : 6,776.22 = 2,672.17 : x
  2. Step 2: Convert to fraction form
    4,910.30/6,776.22 = 2,672.17/x
  3. Step 3: Cross multiply
    4,910.30x = 6,776.22 × 2,672.17
  4. Step 4: Simplify right side
    4,910.30x = 18,107,211.80
  5. Step 5: Solve for x
    x = 18,107,211.80/4,910.30
  6. Step 6: Final answer
    x = 3,687.60

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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.