Home / 8,764.75-13,149.30-2,608.75

Finding the Fourth Proportional to 8,764.75, 13,149.30 and 2,608.75

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Solution

The fourth proportional to 8,764.75, 13,149.30 and 2,608.75 is: 3,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.75 : 13,149.30 = 2,608.75 : x
  2. Step 2: Convert to fraction form
    8,764.75/13,149.30 = 2,608.75/x
  3. Step 3: Cross multiply
    8,764.75x = 13,149.30 × 2,608.75
  4. Step 4: Simplify right side
    8,764.75x = 34,303,236.38
  5. Step 5: Solve for x
    x = 34,303,236.38/8,764.75
  6. Step 6: Final answer
    x = 3,913.77

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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.