Finding the Fourth Proportional to 4,800, 7,200 and 2,064
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Solution
The fourth proportional to 4,800, 7,200 and 2,064 is: 3,096
Step by Step Solution
- Step 1: Write the proportion equation
4,800 : 7,200 = 2,064 : x - Step 2: Convert to fraction form
4,800/7,200 = 2,064/x - Step 3: Cross multiply
4,800x = 7,200 × 2,064 - Step 4: Simplify right side
4,800x = 14,860,800 - Step 5: Solve for x
x = 14,860,800/4,800 - Step 6: Final answer
x = 3,096
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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.