Finding the Fourth Proportional to 7,497.40, 11,244.14 and 2,230.99
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Solution
The fourth proportional to 7,497.40, 11,244.14 and 2,230.99 is: 3,345.90
Step by Step Solution
- Step 1: Write the proportion equation
7,497.40 : 11,244.14 = 2,230.99 : x - Step 2: Convert to fraction form
7,497.40/11,244.14 = 2,230.99/x - Step 3: Cross multiply
7,497.40x = 11,244.14 × 2,230.99 - Step 4: Simplify right side
7,497.40x = 25,085,563.90 - Step 5: Solve for x
x = 25,085,563.90/7,497.40 - Step 6: Final answer
x = 3,345.90
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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.