Finding the Fourth Proportional to 5,146, 7,102.44 and 2,938
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Solution
The fourth proportional to 5,146, 7,102.44 and 2,938 is: 4,054.99
Step by Step Solution
- Step 1: Write the proportion equation
5,146 : 7,102.44 = 2,938 : x - Step 2: Convert to fraction form
5,146/7,102.44 = 2,938/x - Step 3: Cross multiply
5,146x = 7,102.44 × 2,938 - Step 4: Simplify right side
5,146x = 20,866,968.72 - Step 5: Solve for x
x = 20,866,968.72/5,146 - Step 6: Final answer
x = 4,054.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.