Home / 4,828.71-6,663.14-2,839.75

Finding the Fourth Proportional to 4,828.71, 6,663.14 and 2,839.75

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Solution

The fourth proportional to 4,828.71, 6,663.14 and 2,839.75 is: 3,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.71 : 6,663.14 = 2,839.75 : x
  2. Step 2: Convert to fraction form
    4,828.71/6,663.14 = 2,839.75/x
  3. Step 3: Cross multiply
    4,828.71x = 6,663.14 × 2,839.75
  4. Step 4: Simplify right side
    4,828.71x = 18,921,675.57
  5. Step 5: Solve for x
    x = 18,921,675.57/4,828.71
  6. Step 6: Final answer
    x = 3,918.58

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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.