Home / 8,831-13,252.58-3,636.88

Finding the Fourth Proportional to 8,831, 13,252.58 and 3,636.88

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Solution

The fourth proportional to 8,831, 13,252.58 and 3,636.88 is: 5,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831 : 13,252.58 = 3,636.88 : x
  2. Step 2: Convert to fraction form
    8,831/13,252.58 = 3,636.88/x
  3. Step 3: Cross multiply
    8,831x = 13,252.58 × 3,636.88
  4. Step 4: Simplify right side
    8,831x = 48,197,958.70
  5. Step 5: Solve for x
    x = 48,197,958.70/8,831
  6. Step 6: Final answer
    x = 5,457.81

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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.