Home / 5,727.82-8,589.69-2,605.21

Finding the Fourth Proportional to 5,727.82, 8,589.69 and 2,605.21

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Solution

The fourth proportional to 5,727.82, 8,589.69 and 2,605.21 is: 3,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.82 : 8,589.69 = 2,605.21 : x
  2. Step 2: Convert to fraction form
    5,727.82/8,589.69 = 2,605.21/x
  3. Step 3: Cross multiply
    5,727.82x = 8,589.69 × 2,605.21
  4. Step 4: Simplify right side
    5,727.82x = 22,377,946.28
  5. Step 5: Solve for x
    x = 22,377,946.28/5,727.82
  6. Step 6: Final answer
    x = 3,906.89

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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.