Home / 5,167.09-7,749.87-2,205.91

Finding the Fourth Proportional to 5,167.09, 7,749.87 and 2,205.91

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Solution

The fourth proportional to 5,167.09, 7,749.87 and 2,205.91 is: 3,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.09 : 7,749.87 = 2,205.91 : x
  2. Step 2: Convert to fraction form
    5,167.09/7,749.87 = 2,205.91/x
  3. Step 3: Cross multiply
    5,167.09x = 7,749.87 × 2,205.91
  4. Step 4: Simplify right side
    5,167.09x = 17,095,515.73
  5. Step 5: Solve for x
    x = 17,095,515.73/5,167.09
  6. Step 6: Final answer
    x = 3,308.54

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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.