Home / 6,664.67-9,986.06-2,279.73

Finding the Fourth Proportional to 6,664.67, 9,986.06 and 2,279.73

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Solution

The fourth proportional to 6,664.67, 9,986.06 and 2,279.73 is: 3,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.67 : 9,986.06 = 2,279.73 : x
  2. Step 2: Convert to fraction form
    6,664.67/9,986.06 = 2,279.73/x
  3. Step 3: Cross multiply
    6,664.67x = 9,986.06 × 2,279.73
  4. Step 4: Simplify right side
    6,664.67x = 22,765,520.56
  5. Step 5: Solve for x
    x = 22,765,520.56/6,664.67
  6. Step 6: Final answer
    x = 3,415.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.