Home / 8,353.26-12,528.68-3,157.92

Finding the Fourth Proportional to 8,353.26, 12,528.68 and 3,157.92

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Solution

The fourth proportional to 8,353.26, 12,528.68 and 3,157.92 is: 4,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.26 : 12,528.68 = 3,157.92 : x
  2. Step 2: Convert to fraction form
    8,353.26/12,528.68 = 3,157.92/x
  3. Step 3: Cross multiply
    8,353.26x = 12,528.68 × 3,157.92
  4. Step 4: Simplify right side
    8,353.26x = 39,564,553.36
  5. Step 5: Solve for x
    x = 39,564,553.36/8,353.26
  6. Step 6: Final answer
    x = 4,736.42

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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.