Home / 6,413.37-9,601.35-3,940.66

Finding the Fourth Proportional to 6,413.37, 9,601.35 and 3,940.66

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Solution

The fourth proportional to 6,413.37, 9,601.35 and 3,940.66 is: 5,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.37 : 9,601.35 = 3,940.66 : x
  2. Step 2: Convert to fraction form
    6,413.37/9,601.35 = 3,940.66/x
  3. Step 3: Cross multiply
    6,413.37x = 9,601.35 × 3,940.66
  4. Step 4: Simplify right side
    6,413.37x = 37,835,655.89
  5. Step 5: Solve for x
    x = 37,835,655.89/6,413.37
  6. Step 6: Final answer
    x = 5,899.50

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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.