Home / 3,786.47-5,223.87-2,794.13

Finding the Fourth Proportional to 3,786.47, 5,223.87 and 2,794.13

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Solution

The fourth proportional to 3,786.47, 5,223.87 and 2,794.13 is: 3,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.47 : 5,223.87 = 2,794.13 : x
  2. Step 2: Convert to fraction form
    3,786.47/5,223.87 = 2,794.13/x
  3. Step 3: Cross multiply
    3,786.47x = 5,223.87 × 2,794.13
  4. Step 4: Simplify right side
    3,786.47x = 14,596,171.88
  5. Step 5: Solve for x
    x = 14,596,171.88/3,786.47
  6. Step 6: Final answer
    x = 3,854.82

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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.