Home / 9,213.08-13,819.57-2,639.29

Finding the Fourth Proportional to 9,213.08, 13,819.57 and 2,639.29

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Solution

The fourth proportional to 9,213.08, 13,819.57 and 2,639.29 is: 3,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.08 : 13,819.57 = 2,639.29 : x
  2. Step 2: Convert to fraction form
    9,213.08/13,819.57 = 2,639.29/x
  3. Step 3: Cross multiply
    9,213.08x = 13,819.57 × 2,639.29
  4. Step 4: Simplify right side
    9,213.08x = 36,473,852.91
  5. Step 5: Solve for x
    x = 36,473,852.91/9,213.08
  6. Step 6: Final answer
    x = 3,958.92

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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.