Home / 4,910.57-6,776.51-2,672.39

Finding the Fourth Proportional to 4,910.57, 6,776.51 and 2,672.39

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Solution

The fourth proportional to 4,910.57, 6,776.51 and 2,672.39 is: 3,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.57 : 6,776.51 = 2,672.39 : x
  2. Step 2: Convert to fraction form
    4,910.57/6,776.51 = 2,672.39/x
  3. Step 3: Cross multiply
    4,910.57x = 6,776.51 × 2,672.39
  4. Step 4: Simplify right side
    4,910.57x = 18,109,496.17
  5. Step 5: Solve for x
    x = 18,109,496.17/4,910.57
  6. Step 6: Final answer
    x = 3,687.86

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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.