Home / 4,399.79-6,583.96-3,821.60

Finding the Fourth Proportional to 4,399.79, 6,583.96 and 3,821.60

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Solution

The fourth proportional to 4,399.79, 6,583.96 and 3,821.60 is: 5,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.79 : 6,583.96 = 3,821.60 : x
  2. Step 2: Convert to fraction form
    4,399.79/6,583.96 = 3,821.60/x
  3. Step 3: Cross multiply
    4,399.79x = 6,583.96 × 3,821.60
  4. Step 4: Simplify right side
    4,399.79x = 25,161,261.54
  5. Step 5: Solve for x
    x = 25,161,261.54/4,399.79
  6. Step 6: Final answer
    x = 5,718.75

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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.