Home / 5,372.20-7,413.15-3,135.52

Finding the Fourth Proportional to 5,372.20, 7,413.15 and 3,135.52

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Solution

The fourth proportional to 5,372.20, 7,413.15 and 3,135.52 is: 4,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.20 : 7,413.15 = 3,135.52 : x
  2. Step 2: Convert to fraction form
    5,372.20/7,413.15 = 3,135.52/x
  3. Step 3: Cross multiply
    5,372.20x = 7,413.15 × 3,135.52
  4. Step 4: Simplify right side
    5,372.20x = 23,244,080.09
  5. Step 5: Solve for x
    x = 23,244,080.09/5,372.20
  6. Step 6: Final answer
    x = 4,326.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.