Home / 6,488.26-9,724.14-2,786.08

Finding the Fourth Proportional to 6,488.26, 9,724.14 and 2,786.08

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Solution

The fourth proportional to 6,488.26, 9,724.14 and 2,786.08 is: 4,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.26 : 9,724.14 = 2,786.08 : x
  2. Step 2: Convert to fraction form
    6,488.26/9,724.14 = 2,786.08/x
  3. Step 3: Cross multiply
    6,488.26x = 9,724.14 × 2,786.08
  4. Step 4: Simplify right side
    6,488.26x = 27,092,231.97
  5. Step 5: Solve for x
    x = 27,092,231.97/6,488.26
  6. Step 6: Final answer
    x = 4,175.58

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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.