Home / 5,194.53-7,789.27-2,420.55

Finding the Fourth Proportional to 5,194.53, 7,789.27 and 2,420.55

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Solution

The fourth proportional to 5,194.53, 7,789.27 and 2,420.55 is: 3,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.53 : 7,789.27 = 2,420.55 : x
  2. Step 2: Convert to fraction form
    5,194.53/7,789.27 = 2,420.55/x
  3. Step 3: Cross multiply
    5,194.53x = 7,789.27 × 2,420.55
  4. Step 4: Simplify right side
    5,194.53x = 18,854,266.45
  5. Step 5: Solve for x
    x = 18,854,266.45/5,194.53
  6. Step 6: Final answer
    x = 3,629.64

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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.