Home / 8,923.74-13,375.96-3,986.60

Finding the Fourth Proportional to 8,923.74, 13,375.96 and 3,986.60

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Solution

The fourth proportional to 8,923.74, 13,375.96 and 3,986.60 is: 5,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.74 : 13,375.96 = 3,986.60 : x
  2. Step 2: Convert to fraction form
    8,923.74/13,375.96 = 3,986.60/x
  3. Step 3: Cross multiply
    8,923.74x = 13,375.96 × 3,986.60
  4. Step 4: Simplify right side
    8,923.74x = 53,324,602.14
  5. Step 5: Solve for x
    x = 53,324,602.14/8,923.74
  6. Step 6: Final answer
    x = 5,975.59

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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.