Finding the Third Proportional to 4,021 and 5,403
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Solution
The third proportional to 4,021 and 5,403 is: 7,259.99
Step by Step Solution
- Step 1: Write the proportion equation
4,021 : 5,403 = 5,403 : x - Step 2: Convert to fraction form
4,021/5,403 = 5,403/x - Step 3: Cross multiply
4,021x = 5,403 × 5,403 - Step 4: Simplify right side
4,021x = 29,192,409 - Step 5: Solve for x
x = 29,192,409/4,021 - Step 6: Final answer
x = 7,259.99
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Why These Related Problems?
These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.