Home / 8,731.92-13,097.22-3,805.08

Finding the Fourth Proportional to 8,731.92, 13,097.22 and 3,805.08

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Solution

The fourth proportional to 8,731.92, 13,097.22 and 3,805.08 is: 5,707.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.92 : 13,097.22 = 3,805.08 : x
  2. Step 2: Convert to fraction form
    8,731.92/13,097.22 = 3,805.08/x
  3. Step 3: Cross multiply
    8,731.92x = 13,097.22 × 3,805.08
  4. Step 4: Simplify right side
    8,731.92x = 49,835,969.88
  5. Step 5: Solve for x
    x = 49,835,969.88/8,731.92
  6. Step 6: Final answer
    x = 5,707.33

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1.5x scale

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.