Home / 6,413.18-8,849.84-3,618.50

Finding the Fourth Proportional to 6,413.18, 8,849.84 and 3,618.50

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Solution

The fourth proportional to 6,413.18, 8,849.84 and 3,618.50 is: 4,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.18 : 8,849.84 = 3,618.50 : x
  2. Step 2: Convert to fraction form
    6,413.18/8,849.84 = 3,618.50/x
  3. Step 3: Cross multiply
    6,413.18x = 8,849.84 × 3,618.50
  4. Step 4: Simplify right side
    6,413.18x = 32,023,146.04
  5. Step 5: Solve for x
    x = 32,023,146.04/6,413.18
  6. Step 6: Final answer
    x = 4,993.33

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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.