Home / 6,278.82-8,664.74-3,446.12

Finding the Fourth Proportional to 6,278.82, 8,664.74 and 3,446.12

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Solution

The fourth proportional to 6,278.82, 8,664.74 and 3,446.12 is: 4,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.82 : 8,664.74 = 3,446.12 : x
  2. Step 2: Convert to fraction form
    6,278.82/8,664.74 = 3,446.12/x
  3. Step 3: Cross multiply
    6,278.82x = 8,664.74 × 3,446.12
  4. Step 4: Simplify right side
    6,278.82x = 29,859,673.25
  5. Step 5: Solve for x
    x = 29,859,673.25/6,278.82
  6. Step 6: Final answer
    x = 4,755.62

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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.