Home / 6,531.56-9,789.14-2,633.80

Finding the Fourth Proportional to 6,531.56, 9,789.14 and 2,633.80

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Solution

The fourth proportional to 6,531.56, 9,789.14 and 2,633.80 is: 3,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.56 : 9,789.14 = 2,633.80 : x
  2. Step 2: Convert to fraction form
    6,531.56/9,789.14 = 2,633.80/x
  3. Step 3: Cross multiply
    6,531.56x = 9,789.14 × 2,633.80
  4. Step 4: Simplify right side
    6,531.56x = 25,782,636.93
  5. Step 5: Solve for x
    x = 25,782,636.93/6,531.56
  6. Step 6: Final answer
    x = 3,947.39

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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.