Home / 6,679.96-10,010.82-3,900.76

Finding the Fourth Proportional to 6,679.96, 10,010.82 and 3,900.76

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Solution

The fourth proportional to 6,679.96, 10,010.82 and 3,900.76 is: 5,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.96 : 10,010.82 = 3,900.76 : x
  2. Step 2: Convert to fraction form
    6,679.96/10,010.82 = 3,900.76/x
  3. Step 3: Cross multiply
    6,679.96x = 10,010.82 × 3,900.76
  4. Step 4: Simplify right side
    6,679.96x = 39,049,806.22
  5. Step 5: Solve for x
    x = 39,049,806.22/6,679.96
  6. Step 6: Final answer
    x = 5,845.81

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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.