Finding the Fourth Proportional to 4,087.68, 5,644.04 and 3,616.08
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Solution
The fourth proportional to 4,087.68, 5,644.04 and 3,616.08 is: 4,992.88
Step by Step Solution
- Step 1: Write the proportion equation
4,087.68 : 5,644.04 = 3,616.08 : x - Step 2: Convert to fraction form
4,087.68/5,644.04 = 3,616.08/x - Step 3: Cross multiply
4,087.68x = 5,644.04 × 3,616.08 - Step 4: Simplify right side
4,087.68x = 20,409,300.16 - Step 5: Solve for x
x = 20,409,300.16/4,087.68 - Step 6: Final answer
x = 4,992.88
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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.