Finding the Fourth Proportional to 4,413.19, 6,650.77 and 3,974.99
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Solution
The fourth proportional to 4,413.19, 6,650.77 and 3,974.99 is: 5,990.39
Step by Step Solution
- Step 1: Write the proportion equation
4,413.19 : 6,650.77 = 3,974.99 : x - Step 2: Convert to fraction form
4,413.19/6,650.77 = 3,974.99/x - Step 3: Cross multiply
4,413.19x = 6,650.77 × 3,974.99 - Step 4: Simplify right side
4,413.19x = 26,436,744.24 - Step 5: Solve for x
x = 26,436,744.24/4,413.19 - Step 6: Final answer
x = 5,990.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.