Finding the Fourth Proportional to 7,224.57, 10,783.68 and 6,696.99
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Solution
The fourth proportional to 7,224.57, 10,783.68 and 6,696.99 is: 9,996.19
Step by Step Solution
- Step 1: Write the proportion equation
7,224.57 : 10,783.68 = 6,696.99 : x - Step 2: Convert to fraction form
7,224.57/10,783.68 = 6,696.99/x - Step 3: Cross multiply
7,224.57x = 10,783.68 × 6,696.99 - Step 4: Simplify right side
7,224.57x = 72,218,197.12 - Step 5: Solve for x
x = 72,218,197.12/7,224.57 - Step 6: Final answer
x = 9,996.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.