Finding the Fourth Proportional to 7,997.04, 11,998.44 and 2,803.68
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Solution
The fourth proportional to 7,997.04, 11,998.44 and 2,803.68 is: 4,206.53
Step by Step Solution
- Step 1: Write the proportion equation
7,997.04 : 11,998.44 = 2,803.68 : x - Step 2: Convert to fraction form
7,997.04/11,998.44 = 2,803.68/x - Step 3: Cross multiply
7,997.04x = 11,998.44 × 2,803.68 - Step 4: Simplify right side
7,997.04x = 33,639,786.26 - Step 5: Solve for x
x = 33,639,786.26/7,997.04 - Step 6: Final answer
x = 4,206.53
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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.