Finding the Fourth Proportional to 7,186.01, 10,781.69 and 3,236.08
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Solution
The fourth proportional to 7,186.01, 10,781.69 and 3,236.08 is: 4,855.32
Step by Step Solution
- Step 1: Write the proportion equation
7,186.01 : 10,781.69 = 3,236.08 : x - Step 2: Convert to fraction form
7,186.01/10,781.69 = 3,236.08/x - Step 3: Cross multiply
7,186.01x = 10,781.69 × 3,236.08 - Step 4: Simplify right side
7,186.01x = 34,890,411.38 - Step 5: Solve for x
x = 34,890,411.38/7,186.01 - Step 6: Final answer
x = 4,855.32
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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.