Home / 6,387.33-9,577.04-2,687.65

Finding the Fourth Proportional to 6,387.33, 9,577.04 and 2,687.65

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Solution

The fourth proportional to 6,387.33, 9,577.04 and 2,687.65 is: 4,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.33 : 9,577.04 = 2,687.65 : x
  2. Step 2: Convert to fraction form
    6,387.33/9,577.04 = 2,687.65/x
  3. Step 3: Cross multiply
    6,387.33x = 9,577.04 × 2,687.65
  4. Step 4: Simplify right side
    6,387.33x = 25,739,731.56
  5. Step 5: Solve for x
    x = 25,739,731.56/6,387.33
  6. Step 6: Final answer
    x = 4,029.81

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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.