Home / 8,743.78-13,110.46-3,475.96

Finding the Fourth Proportional to 8,743.78, 13,110.46 and 3,475.96

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Solution

The fourth proportional to 8,743.78, 13,110.46 and 3,475.96 is: 5,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.78 : 13,110.46 = 3,475.96 : x
  2. Step 2: Convert to fraction form
    8,743.78/13,110.46 = 3,475.96/x
  3. Step 3: Cross multiply
    8,743.78x = 13,110.46 × 3,475.96
  4. Step 4: Simplify right side
    8,743.78x = 45,571,434.54
  5. Step 5: Solve for x
    x = 45,571,434.54/8,743.78
  6. Step 6: Final answer
    x = 5,211.87

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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.