Home / 5,424.30-8,147.37-3,237.30

Finding the Fourth Proportional to 5,424.30, 8,147.37 and 3,237.30

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Solution

The fourth proportional to 5,424.30, 8,147.37 and 3,237.30 is: 4,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.30 : 8,147.37 = 3,237.30 : x
  2. Step 2: Convert to fraction form
    5,424.30/8,147.37 = 3,237.30/x
  3. Step 3: Cross multiply
    5,424.30x = 8,147.37 × 3,237.30
  4. Step 4: Simplify right side
    5,424.30x = 26,375,480.90
  5. Step 5: Solve for x
    x = 26,375,480.90/5,424.30
  6. Step 6: Final answer
    x = 4,862.47

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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.