Home / 8,724.66-13,082.58-2,879.34

Finding the Fourth Proportional to 8,724.66, 13,082.58 and 2,879.34

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Solution

The fourth proportional to 8,724.66, 13,082.58 and 2,879.34 is: 4,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.66 : 13,082.58 = 2,879.34 : x
  2. Step 2: Convert to fraction form
    8,724.66/13,082.58 = 2,879.34/x
  3. Step 3: Cross multiply
    8,724.66x = 13,082.58 × 2,879.34
  4. Step 4: Simplify right side
    8,724.66x = 37,669,195.90
  5. Step 5: Solve for x
    x = 37,669,195.90/8,724.66
  6. Step 6: Final answer
    x = 4,317.55

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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.