Home / 8,680.62-13,018.35-3,682.92

Finding the Fourth Proportional to 8,680.62, 13,018.35 and 3,682.92

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Solution

The fourth proportional to 8,680.62, 13,018.35 and 3,682.92 is: 5,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.62 : 13,018.35 = 3,682.92 : x
  2. Step 2: Convert to fraction form
    8,680.62/13,018.35 = 3,682.92/x
  3. Step 3: Cross multiply
    8,680.62x = 13,018.35 × 3,682.92
  4. Step 4: Simplify right side
    8,680.62x = 47,945,541.58
  5. Step 5: Solve for x
    x = 47,945,541.58/8,680.62
  6. Step 6: Final answer
    x = 5,523.29

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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.