Home / 5,055.62-6,976.99-2,786.94

Finding the Fourth Proportional to 5,055.62, 6,976.99 and 2,786.94

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Solution

The fourth proportional to 5,055.62, 6,976.99 and 2,786.94 is: 3,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.62 : 6,976.99 = 2,786.94 : x
  2. Step 2: Convert to fraction form
    5,055.62/6,976.99 = 2,786.94/x
  3. Step 3: Cross multiply
    5,055.62x = 6,976.99 × 2,786.94
  4. Step 4: Simplify right side
    5,055.62x = 19,444,469.75
  5. Step 5: Solve for x
    x = 19,444,469.75/5,055.62
  6. Step 6: Final answer
    x = 3,846.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.