Home / 8,829.81-13,234.26-3,889.11

Finding the Fourth Proportional to 8,829.81, 13,234.26 and 3,889.11

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Solution

The fourth proportional to 8,829.81, 13,234.26 and 3,889.11 is: 5,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.81 : 13,234.26 = 3,889.11 : x
  2. Step 2: Convert to fraction form
    8,829.81/13,234.26 = 3,889.11/x
  3. Step 3: Cross multiply
    8,829.81x = 13,234.26 × 3,889.11
  4. Step 4: Simplify right side
    8,829.81x = 51,469,492.91
  5. Step 5: Solve for x
    x = 51,469,492.91/8,829.81
  6. Step 6: Final answer
    x = 5,829.06

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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.