Home / 8,373.26-12,556.70-2,749.61

Finding the Fourth Proportional to 8,373.26, 12,556.70 and 2,749.61

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Solution

The fourth proportional to 8,373.26, 12,556.70 and 2,749.61 is: 4,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.26 : 12,556.70 = 2,749.61 : x
  2. Step 2: Convert to fraction form
    8,373.26/12,556.70 = 2,749.61/x
  3. Step 3: Cross multiply
    8,373.26x = 12,556.70 × 2,749.61
  4. Step 4: Simplify right side
    8,373.26x = 34,526,014.14
  5. Step 5: Solve for x
    x = 34,526,014.14/8,373.26
  6. Step 6: Final answer
    x = 4,123.37

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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.