Finding the Fourth Proportional to 4,122.18, 6,183.34 and 2,272.95
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Solution
The fourth proportional to 4,122.18, 6,183.34 and 2,272.95 is: 3,409.46
Step by Step Solution
- Step 1: Write the proportion equation
4,122.18 : 6,183.34 = 2,272.95 : x - Step 2: Convert to fraction form
4,122.18/6,183.34 = 2,272.95/x - Step 3: Cross multiply
4,122.18x = 6,183.34 × 2,272.95 - Step 4: Simplify right side
4,122.18x = 14,054,416.97 - Step 5: Solve for x
x = 14,054,416.97/4,122.18 - Step 6: Final answer
x = 3,409.46
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1.5x scale
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.