Finding the Fourth Proportional to 7,164, 10,746 and 2,547
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Solution
The fourth proportional to 7,164, 10,746 and 2,547 is: 3,820.50
Step by Step Solution
- Step 1: Write the proportion equation
7,164 : 10,746 = 2,547 : x - Step 2: Convert to fraction form
7,164/10,746 = 2,547/x - Step 3: Cross multiply
7,164x = 10,746 × 2,547 - Step 4: Simplify right side
7,164x = 27,370,062 - Step 5: Solve for x
x = 27,370,062/7,164 - Step 6: Final answer
x = 3,820.50
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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.