Home / 4,187.25-6,280.91-1,413.95

Finding the Fourth Proportional to 4,187.25, 6,280.91 and 1,413.95

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Solution

The fourth proportional to 4,187.25, 6,280.91 and 1,413.95 is: 2,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.25 : 6,280.91 = 1,413.95 : x
  2. Step 2: Convert to fraction form
    4,187.25/6,280.91 = 1,413.95/x
  3. Step 3: Cross multiply
    4,187.25x = 6,280.91 × 1,413.95
  4. Step 4: Simplify right side
    4,187.25x = 8,880,854.22
  5. Step 5: Solve for x
    x = 8,880,854.22/4,187.25
  6. Step 6: Final answer
    x = 2,120.93

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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.