Finding the Fourth Proportional to 6,274.98, 8,659.74 and 3,481.02
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Solution
The fourth proportional to 6,274.98, 8,659.74 and 3,481.02 is: 4,803.96
Step by Step Solution
- Step 1: Write the proportion equation
6,274.98 : 8,659.74 = 3,481.02 : x - Step 2: Convert to fraction form
6,274.98/8,659.74 = 3,481.02/x - Step 3: Cross multiply
6,274.98x = 8,659.74 × 3,481.02 - Step 4: Simplify right side
6,274.98x = 30,144,728.13 - Step 5: Solve for x
x = 30,144,728.13/6,274.98 - Step 6: Final answer
x = 4,803.96
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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.