Home / 4,828.21-6,662.45-2,839.25

Finding the Fourth Proportional to 4,828.21, 6,662.45 and 2,839.25

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Solution

The fourth proportional to 4,828.21, 6,662.45 and 2,839.25 is: 3,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.21 : 6,662.45 = 2,839.25 : x
  2. Step 2: Convert to fraction form
    4,828.21/6,662.45 = 2,839.25/x
  3. Step 3: Cross multiply
    4,828.21x = 6,662.45 × 2,839.25
  4. Step 4: Simplify right side
    4,828.21x = 18,916,384.92
  5. Step 5: Solve for x
    x = 18,916,384.92/4,828.21
  6. Step 6: Final answer
    x = 3,917.89

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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.