Home / 6,486.21-9,729.27-2,537.87

Finding the Fourth Proportional to 6,486.21, 9,729.27 and 2,537.87

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Solution

The fourth proportional to 6,486.21, 9,729.27 and 2,537.87 is: 3,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.21 : 9,729.27 = 2,537.87 : x
  2. Step 2: Convert to fraction form
    6,486.21/9,729.27 = 2,537.87/x
  3. Step 3: Cross multiply
    6,486.21x = 9,729.27 × 2,537.87
  4. Step 4: Simplify right side
    6,486.21x = 24,691,573.81
  5. Step 5: Solve for x
    x = 24,691,573.81/6,486.21
  6. Step 6: Final answer
    x = 3,806.78

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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.