Finding the Fourth Proportional to 6,888.86, 10,326.18 and 2,727.20
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Solution
The fourth proportional to 6,888.86, 10,326.18 and 2,727.20 is: 4,087.99
Step by Step Solution
- Step 1: Write the proportion equation
6,888.86 : 10,326.18 = 2,727.20 : x - Step 2: Convert to fraction form
6,888.86/10,326.18 = 2,727.20/x - Step 3: Cross multiply
6,888.86x = 10,326.18 × 2,727.20 - Step 4: Simplify right side
6,888.86x = 28,161,558.10 - Step 5: Solve for x
x = 28,161,558.10/6,888.86 - Step 6: Final answer
x = 4,087.99
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1.5x scale
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.