Home / 8,090.28-12,126.42-3,413.52

Finding the Fourth Proportional to 8,090.28, 12,126.42 and 3,413.52

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Solution

The fourth proportional to 8,090.28, 12,126.42 and 3,413.52 is: 5,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.28 : 12,126.42 = 3,413.52 : x
  2. Step 2: Convert to fraction form
    8,090.28/12,126.42 = 3,413.52/x
  3. Step 3: Cross multiply
    8,090.28x = 12,126.42 × 3,413.52
  4. Step 4: Simplify right side
    8,090.28x = 41,393,777.20
  5. Step 5: Solve for x
    x = 41,393,777.20/8,090.28
  6. Step 6: Final answer
    x = 5,116.48

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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.