Finding the Fourth Proportional to 5,490, 8,236.08 and 2,412
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Solution
The fourth proportional to 5,490, 8,236.08 and 2,412 is: 3,618.47
Step by Step Solution
- Step 1: Write the proportion equation
5,490 : 8,236.08 = 2,412 : x - Step 2: Convert to fraction form
5,490/8,236.08 = 2,412/x - Step 3: Cross multiply
5,490x = 8,236.08 × 2,412 - Step 4: Simplify right side
5,490x = 19,865,424.96 - Step 5: Solve for x
x = 19,865,424.96/5,490 - Step 6: Final answer
x = 3,618.47
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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.