Home / 5,413.52-8,115.24-1,901.60

Finding the Fourth Proportional to 5,413.52, 8,115.24 and 1,901.60

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Solution

The fourth proportional to 5,413.52, 8,115.24 and 1,901.60 is: 2,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.52 : 8,115.24 = 1,901.60 : x
  2. Step 2: Convert to fraction form
    5,413.52/8,115.24 = 1,901.60/x
  3. Step 3: Cross multiply
    5,413.52x = 8,115.24 × 1,901.60
  4. Step 4: Simplify right side
    5,413.52x = 15,431,899.81
  5. Step 5: Solve for x
    x = 15,431,899.81/5,413.52
  6. Step 6: Final answer
    x = 2,850.62

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1.5x scale

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.