Home / 6,386.82-9,576.28-2,687.16

Finding the Fourth Proportional to 6,386.82, 9,576.28 and 2,687.16

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Solution

The fourth proportional to 6,386.82, 9,576.28 and 2,687.16 is: 4,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.82 : 9,576.28 = 2,687.16 : x
  2. Step 2: Convert to fraction form
    6,386.82/9,576.28 = 2,687.16/x
  3. Step 3: Cross multiply
    6,386.82x = 9,576.28 × 2,687.16
  4. Step 4: Simplify right side
    6,386.82x = 25,732,996.56
  5. Step 5: Solve for x
    x = 25,732,996.56/6,386.82
  6. Step 6: Final answer
    x = 4,029.08

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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.