Home / 5,610.39-8,413.47-1,861.47

Finding the Fourth Proportional to 5,610.39, 8,413.47 and 1,861.47

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Solution

The fourth proportional to 5,610.39, 8,413.47 and 1,861.47 is: 2,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.39 : 8,413.47 = 1,861.47 : x
  2. Step 2: Convert to fraction form
    5,610.39/8,413.47 = 1,861.47/x
  3. Step 3: Cross multiply
    5,610.39x = 8,413.47 × 1,861.47
  4. Step 4: Simplify right side
    5,610.39x = 15,661,422.00
  5. Step 5: Solve for x
    x = 15,661,422.00/5,610.39
  6. Step 6: Final answer
    x = 2,791.50

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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.