Home / 8,766.72-13,149.84-2,923.44

Finding the Fourth Proportional to 8,766.72, 13,149.84 and 2,923.44

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Solution

The fourth proportional to 8,766.72, 13,149.84 and 2,923.44 is: 4,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.72 : 13,149.84 = 2,923.44 : x
  2. Step 2: Convert to fraction form
    8,766.72/13,149.84 = 2,923.44/x
  3. Step 3: Cross multiply
    8,766.72x = 13,149.84 × 2,923.44
  4. Step 4: Simplify right side
    8,766.72x = 38,442,768.25
  5. Step 5: Solve for x
    x = 38,442,768.25/8,766.72
  6. Step 6: Final answer
    x = 4,385.08

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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.