Home / 4,243.75-6,365.21-1,322.01

Finding the Fourth Proportional to 4,243.75, 6,365.21 and 1,322.01

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Solution

The fourth proportional to 4,243.75, 6,365.21 and 1,322.01 is: 1,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.75 : 6,365.21 = 1,322.01 : x
  2. Step 2: Convert to fraction form
    4,243.75/6,365.21 = 1,322.01/x
  3. Step 3: Cross multiply
    4,243.75x = 6,365.21 × 1,322.01
  4. Step 4: Simplify right side
    4,243.75x = 8,414,871.27
  5. Step 5: Solve for x
    x = 8,414,871.27/4,243.75
  6. Step 6: Final answer
    x = 1,982.89

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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.