Finding the Fourth Proportional to 8,115.02, 11,202 and 6,126.07
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Solution
The fourth proportional to 8,115.02, 11,202 and 6,126.07 is: 8,456.45
Step by Step Solution
- Step 1: Write the proportion equation
8,115.02 : 11,202 = 6,126.07 : x - Step 2: Convert to fraction form
8,115.02/11,202 = 6,126.07/x - Step 3: Cross multiply
8,115.02x = 11,202 × 6,126.07 - Step 4: Simplify right side
8,115.02x = 68,624,236.14 - Step 5: Solve for x
x = 68,624,236.14/8,115.02 - Step 6: Final answer
x = 8,456.45
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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.