Finding the Fourth Proportional to 6,906.16, 10,359.25 and 5,271.99
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Solution
The fourth proportional to 6,906.16, 10,359.25 and 5,271.99 is: 7,907.98
Step by Step Solution
- Step 1: Write the proportion equation
6,906.16 : 10,359.25 = 5,271.99 : x - Step 2: Convert to fraction form
6,906.16/10,359.25 = 5,271.99/x - Step 3: Cross multiply
6,906.16x = 10,359.25 × 5,271.99 - Step 4: Simplify right side
6,906.16x = 54,613,810.38 - Step 5: Solve for x
x = 54,613,810.38/6,906.16 - Step 6: Final answer
x = 7,907.98
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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.