Home / 6,391.08-9,586.38-3,103.29

Finding the Fourth Proportional to 6,391.08, 9,586.38 and 3,103.29

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Solution

The fourth proportional to 6,391.08, 9,586.38 and 3,103.29 is: 4,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.08 : 9,586.38 = 3,103.29 : x
  2. Step 2: Convert to fraction form
    6,391.08/9,586.38 = 3,103.29/x
  3. Step 3: Cross multiply
    6,391.08x = 9,586.38 × 3,103.29
  4. Step 4: Simplify right side
    6,391.08x = 29,749,269.26
  5. Step 5: Solve for x
    x = 29,749,269.26/6,391.08
  6. Step 6: Final answer
    x = 4,654.81

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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.