Home / 4,253.73-6,379.61-1,621.53

Finding the Fourth Proportional to 4,253.73, 6,379.61 and 1,621.53

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Solution

The fourth proportional to 4,253.73, 6,379.61 and 1,621.53 is: 2,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.73 : 6,379.61 = 1,621.53 : x
  2. Step 2: Convert to fraction form
    4,253.73/6,379.61 = 1,621.53/x
  3. Step 3: Cross multiply
    4,253.73x = 6,379.61 × 1,621.53
  4. Step 4: Simplify right side
    4,253.73x = 10,344,729.00
  5. Step 5: Solve for x
    x = 10,344,729.00/4,253.73
  6. Step 6: Final answer
    x = 2,431.92

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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.