Home / 4,839.40-7,240.74-2,866.09

Finding the Fourth Proportional to 4,839.40, 7,240.74 and 2,866.09

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Solution

The fourth proportional to 4,839.40, 7,240.74 and 2,866.09 is: 4,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.40 : 7,240.74 = 2,866.09 : x
  2. Step 2: Convert to fraction form
    4,839.40/7,240.74 = 2,866.09/x
  3. Step 3: Cross multiply
    4,839.40x = 7,240.74 × 2,866.09
  4. Step 4: Simplify right side
    4,839.40x = 20,752,583.47
  5. Step 5: Solve for x
    x = 20,752,583.47/4,839.40
  6. Step 6: Final answer
    x = 4,288.26

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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.