Home / 4,727.28-7,106.94-3,809.28

Finding the Fourth Proportional to 4,727.28, 7,106.94 and 3,809.28

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Solution

The fourth proportional to 4,727.28, 7,106.94 and 3,809.28 is: 5,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.28 : 7,106.94 = 3,809.28 : x
  2. Step 2: Convert to fraction form
    4,727.28/7,106.94 = 3,809.28/x
  3. Step 3: Cross multiply
    4,727.28x = 7,106.94 × 3,809.28
  4. Step 4: Simplify right side
    4,727.28x = 27,072,324.40
  5. Step 5: Solve for x
    x = 27,072,324.40/4,727.28
  6. Step 6: Final answer
    x = 5,726.83

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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.