Home / 7,764.90-11,647.19-2,834.52

Finding the Fourth Proportional to 7,764.90, 11,647.19 and 2,834.52

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Solution

The fourth proportional to 7,764.90, 11,647.19 and 2,834.52 is: 4,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.90 : 11,647.19 = 2,834.52 : x
  2. Step 2: Convert to fraction form
    7,764.90/11,647.19 = 2,834.52/x
  3. Step 3: Cross multiply
    7,764.90x = 11,647.19 × 2,834.52
  4. Step 4: Simplify right side
    7,764.90x = 33,014,120.59
  5. Step 5: Solve for x
    x = 33,014,120.59/7,764.90
  6. Step 6: Final answer
    x = 4,251.72

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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.