Home / 6,413.56-8,850.96-3,619

Finding the Fourth Proportional to 6,413.56, 8,850.96 and 3,619

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Solution

The fourth proportional to 6,413.56, 8,850.96 and 3,619 is: 4,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.56 : 8,850.96 = 3,619 : x
  2. Step 2: Convert to fraction form
    6,413.56/8,850.96 = 3,619/x
  3. Step 3: Cross multiply
    6,413.56x = 8,850.96 × 3,619
  4. Step 4: Simplify right side
    6,413.56x = 32,031,624.24
  5. Step 5: Solve for x
    x = 32,031,624.24/6,413.56
  6. Step 6: Final answer
    x = 4,994.36

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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.