Home / 6,387.26-9,579.11-2,687.33

Finding the Fourth Proportional to 6,387.26, 9,579.11 and 2,687.33

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Solution

The fourth proportional to 6,387.26, 9,579.11 and 2,687.33 is: 4,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.26 : 9,579.11 = 2,687.33 : x
  2. Step 2: Convert to fraction form
    6,387.26/9,579.11 = 2,687.33/x
  3. Step 3: Cross multiply
    6,387.26x = 9,579.11 × 2,687.33
  4. Step 4: Simplify right side
    6,387.26x = 25,742,201.42
  5. Step 5: Solve for x
    x = 25,742,201.42/6,387.26
  6. Step 6: Final answer
    x = 4,030.24

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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.