Home / 4,243.79-6,365.39-1,322.02

Finding the Fourth Proportional to 4,243.79, 6,365.39 and 1,322.02

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Solution

The fourth proportional to 4,243.79, 6,365.39 and 1,322.02 is: 1,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.79 : 6,365.39 = 1,322.02 : x
  2. Step 2: Convert to fraction form
    4,243.79/6,365.39 = 1,322.02/x
  3. Step 3: Cross multiply
    4,243.79x = 6,365.39 × 1,322.02
  4. Step 4: Simplify right side
    4,243.79x = 8,415,174.23
  5. Step 5: Solve for x
    x = 8,415,174.23/4,243.79
  6. Step 6: Final answer
    x = 1,982.94

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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.