Home / 5,424.08-8,136.11-2,135.37

Finding the Fourth Proportional to 5,424.08, 8,136.11 and 2,135.37

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Solution

The fourth proportional to 5,424.08, 8,136.11 and 2,135.37 is: 3,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.08 : 8,136.11 = 2,135.37 : x
  2. Step 2: Convert to fraction form
    5,424.08/8,136.11 = 2,135.37/x
  3. Step 3: Cross multiply
    5,424.08x = 8,136.11 × 2,135.37
  4. Step 4: Simplify right side
    5,424.08x = 17,373,610.55
  5. Step 5: Solve for x
    x = 17,373,610.55/5,424.08
  6. Step 6: Final answer
    x = 3,203.06

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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.