Home / 5,185.28-7,778.91-2,844

Finding the Fourth Proportional to 5,185.28, 7,778.91 and 2,844

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Solution

The fourth proportional to 5,185.28, 7,778.91 and 2,844 is: 4,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.28 : 7,778.91 = 2,844 : x
  2. Step 2: Convert to fraction form
    5,185.28/7,778.91 = 2,844/x
  3. Step 3: Cross multiply
    5,185.28x = 7,778.91 × 2,844
  4. Step 4: Simplify right side
    5,185.28x = 22,123,220.04
  5. Step 5: Solve for x
    x = 22,123,220.04/5,185.28
  6. Step 6: Final answer
    x = 4,266.55

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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.