Finding the Fourth Proportional to 7,750.08, 11,625.02 and 1,906.74
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Solution
The fourth proportional to 7,750.08, 11,625.02 and 1,906.74 is: 2,860.09
Step by Step Solution
- Step 1: Write the proportion equation
7,750.08 : 11,625.02 = 1,906.74 : x - Step 2: Convert to fraction form
7,750.08/11,625.02 = 1,906.74/x - Step 3: Cross multiply
7,750.08x = 11,625.02 × 1,906.74 - Step 4: Simplify right side
7,750.08x = 22,165,888.25 - Step 5: Solve for x
x = 22,165,888.25/7,750.08 - Step 6: Final answer
x = 2,860.09
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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.