Home / 4,727.92-7,095.68-2,131.08

Finding the Fourth Proportional to 4,727.92, 7,095.68 and 2,131.08

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Solution

The fourth proportional to 4,727.92, 7,095.68 and 2,131.08 is: 3,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.92 : 7,095.68 = 2,131.08 : x
  2. Step 2: Convert to fraction form
    4,727.92/7,095.68 = 2,131.08/x
  3. Step 3: Cross multiply
    4,727.92x = 7,095.68 × 2,131.08
  4. Step 4: Simplify right side
    4,727.92x = 15,121,461.73
  5. Step 5: Solve for x
    x = 15,121,461.73/4,727.92
  6. Step 6: Final answer
    x = 3,198.33

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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.