Finding the Fourth Proportional to 6.41, 9.62 and 4
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Solution
The fourth proportional to 6.41, 9.62 and 4 is: 6.00
Step by Step Solution
- Step 1: Write the proportion equation
6.41 : 9.62 = 4 : x - Step 2: Convert to fraction form
6.41/9.62 = 4/x - Step 3: Cross multiply
6.41x = 9.62 × 4 - Step 4: Simplify right side
6.41x = 38.48 - Step 5: Solve for x
x = 38.48/6.41 - Step 6: Final answer
x = 6.00
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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.