Home / 3,991.24-6,000.38-3,216.68

Finding the Fourth Proportional to 3,991.24, 6,000.38 and 3,216.68

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Solution

The fourth proportional to 3,991.24, 6,000.38 and 3,216.68 is: 4,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.24 : 6,000.38 = 3,216.68 : x
  2. Step 2: Convert to fraction form
    3,991.24/6,000.38 = 3,216.68/x
  3. Step 3: Cross multiply
    3,991.24x = 6,000.38 × 3,216.68
  4. Step 4: Simplify right side
    3,991.24x = 19,301,302.34
  5. Step 5: Solve for x
    x = 19,301,302.34/3,991.24
  6. Step 6: Final answer
    x = 4,835.92

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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.