Home / 6,936.91-10,400.49-2,553.80

Finding the Fourth Proportional to 6,936.91, 10,400.49 and 2,553.80

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Solution

The fourth proportional to 6,936.91, 10,400.49 and 2,553.80 is: 3,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.91 : 10,400.49 = 2,553.80 : x
  2. Step 2: Convert to fraction form
    6,936.91/10,400.49 = 2,553.80/x
  3. Step 3: Cross multiply
    6,936.91x = 10,400.49 × 2,553.80
  4. Step 4: Simplify right side
    6,936.91x = 26,560,771.36
  5. Step 5: Solve for x
    x = 26,560,771.36/6,936.91
  6. Step 6: Final answer
    x = 3,828.91

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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.