Home / 6,413.25-8,851.11-3,618.75

Finding the Fourth Proportional to 6,413.25, 8,851.11 and 3,618.75

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Solution

The fourth proportional to 6,413.25, 8,851.11 and 3,618.75 is: 4,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.25 : 8,851.11 = 3,618.75 : x
  2. Step 2: Convert to fraction form
    6,413.25/8,851.11 = 3,618.75/x
  3. Step 3: Cross multiply
    6,413.25x = 8,851.11 × 3,618.75
  4. Step 4: Simplify right side
    6,413.25x = 32,029,954.31
  5. Step 5: Solve for x
    x = 32,029,954.31/6,413.25
  6. Step 6: Final answer
    x = 4,994.34

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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.