Finding the Fourth Proportional to 8.44, 11.65 and 7.99
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Solution
The fourth proportional to 8.44, 11.65 and 7.99 is: 11.03
Step by Step Solution
- Step 1: Write the proportion equation
8.44 : 11.65 = 7.99 : x - Step 2: Convert to fraction form
8.44/11.65 = 7.99/x - Step 3: Cross multiply
8.44x = 11.65 × 7.99 - Step 4: Simplify right side
8.44x = 93.08 - Step 5: Solve for x
x = 93.08/8.44 - Step 6: Final answer
x = 11.03
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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.