Home / 8,346.31-12,522.97-3,663.90

Finding the Fourth Proportional to 8,346.31, 12,522.97 and 3,663.90

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Solution

The fourth proportional to 8,346.31, 12,522.97 and 3,663.90 is: 5,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.31 : 12,522.97 = 3,663.90 : x
  2. Step 2: Convert to fraction form
    8,346.31/12,522.97 = 3,663.90/x
  3. Step 3: Cross multiply
    8,346.31x = 12,522.97 × 3,663.90
  4. Step 4: Simplify right side
    8,346.31x = 45,882,914.36
  5. Step 5: Solve for x
    x = 45,882,914.36/8,346.31
  6. Step 6: Final answer
    x = 5,497.39

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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.