Finding the Fourth Proportional to 4.36, 6 and 4.02
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Solution
The fourth proportional to 4.36, 6 and 4.02 is: 5.53
Step by Step Solution
- Step 1: Write the proportion equation
4.36 : 6 = 4.02 : x - Step 2: Convert to fraction form
4.36/6 = 4.02/x - Step 3: Cross multiply
4.36x = 6 × 4.02 - Step 4: Simplify right side
4.36x = 24.12 - Step 5: Solve for x
x = 24.12/4.36 - Step 6: Final answer
x = 5.53
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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.