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Finding the Fourth Proportional to 6,386.31, 9,579.46 and 2,004.11

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Solution

The fourth proportional to 6,386.31, 9,579.46 and 2,004.11 is: 3,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.31 : 9,579.46 = 2,004.11 : x
  2. Step 2: Convert to fraction form
    6,386.31/9,579.46 = 2,004.11/x
  3. Step 3: Cross multiply
    6,386.31x = 9,579.46 × 2,004.11
  4. Step 4: Simplify right side
    6,386.31x = 19,198,281.56
  5. Step 5: Solve for x
    x = 19,198,281.56/6,386.31
  6. Step 6: Final answer
    x = 3,006.16

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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.