Finding the Third Proportional to 4,356 and 5,280
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Solution
The third proportional to 4,356 and 5,280 is: 6,400
Step by Step Solution
- Step 1: Write the proportion equation
4,356 : 5,280 = 5,280 : x - Step 2: Convert to fraction form
4,356/5,280 = 5,280/x - Step 3: Cross multiply
4,356x = 5,280 × 5,280 - Step 4: Simplify right side
4,356x = 27,878,400 - Step 5: Solve for x
x = 27,878,400/4,356 - Step 6: Final answer
x = 6,400
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Why These Related Problems?
These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.