Home / 6,413.81-8,851.04-3,761.19

Finding the Fourth Proportional to 6,413.81, 8,851.04 and 3,761.19

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Solution

The fourth proportional to 6,413.81, 8,851.04 and 3,761.19 is: 5,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.81 : 8,851.04 = 3,761.19 : x
  2. Step 2: Convert to fraction form
    6,413.81/8,851.04 = 3,761.19/x
  3. Step 3: Cross multiply
    6,413.81x = 8,851.04 × 3,761.19
  4. Step 4: Simplify right side
    6,413.81x = 33,290,438.44
  5. Step 5: Solve for x
    x = 33,290,438.44/6,413.81
  6. Step 6: Final answer
    x = 5,190.44

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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.