Home / 4,413.90-6,616.62-1,639.82

Finding the Fourth Proportional to 4,413.90, 6,616.62 and 1,639.82

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Solution

The fourth proportional to 4,413.90, 6,616.62 and 1,639.82 is: 2,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.90 : 6,616.62 = 1,639.82 : x
  2. Step 2: Convert to fraction form
    4,413.90/6,616.62 = 1,639.82/x
  3. Step 3: Cross multiply
    4,413.90x = 6,616.62 × 1,639.82
  4. Step 4: Simplify right side
    4,413.90x = 10,850,065.81
  5. Step 5: Solve for x
    x = 10,850,065.81/4,413.90
  6. Step 6: Final answer
    x = 2,458.16

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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.