Finding the Fourth Proportional to 4,905.08, 6,768.99 and 2,666.96
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Solution
The fourth proportional to 4,905.08, 6,768.99 and 2,666.96 is: 3,680.39
Step by Step Solution
- Step 1: Write the proportion equation
4,905.08 : 6,768.99 = 2,666.96 : x - Step 2: Convert to fraction form
4,905.08/6,768.99 = 2,666.96/x - Step 3: Cross multiply
4,905.08x = 6,768.99 × 2,666.96 - Step 4: Simplify right side
4,905.08x = 18,052,591.73 - Step 5: Solve for x
x = 18,052,591.73/4,905.08 - Step 6: Final answer
x = 3,680.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.