Home / 8,764.74-13,147.32-2,921.82

Finding the Fourth Proportional to 8,764.74, 13,147.32 and 2,921.82

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Solution

The fourth proportional to 8,764.74, 13,147.32 and 2,921.82 is: 4,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.74 : 13,147.32 = 2,921.82 : x
  2. Step 2: Convert to fraction form
    8,764.74/13,147.32 = 2,921.82/x
  3. Step 3: Cross multiply
    8,764.74x = 13,147.32 × 2,921.82
  4. Step 4: Simplify right side
    8,764.74x = 38,414,102.52
  5. Step 5: Solve for x
    x = 38,414,102.52/8,764.74
  6. Step 6: Final answer
    x = 4,382.80

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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.