Home / 8,773.38-13,161.36-2,928.60

Finding the Fourth Proportional to 8,773.38, 13,161.36 and 2,928.60

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Solution

The fourth proportional to 8,773.38, 13,161.36 and 2,928.60 is: 4,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.38 : 13,161.36 = 2,928.60 : x
  2. Step 2: Convert to fraction form
    8,773.38/13,161.36 = 2,928.60/x
  3. Step 3: Cross multiply
    8,773.38x = 13,161.36 × 2,928.60
  4. Step 4: Simplify right side
    8,773.38x = 38,544,358.90
  5. Step 5: Solve for x
    x = 38,544,358.90/8,773.38
  6. Step 6: Final answer
    x = 4,393.33

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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.