Finding the Fourth Proportional to 8,119.04, 11,194.08 and 6,625.44
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Solution
The fourth proportional to 8,119.04, 11,194.08 and 6,625.44 is: 9,134.79
Step by Step Solution
- Step 1: Write the proportion equation
8,119.04 : 11,194.08 = 6,625.44 : x - Step 2: Convert to fraction form
8,119.04/11,194.08 = 6,625.44/x - Step 3: Cross multiply
8,119.04x = 11,194.08 × 6,625.44 - Step 4: Simplify right side
8,119.04x = 74,165,705.40 - Step 5: Solve for x
x = 74,165,705.40/8,119.04 - Step 6: Final answer
x = 9,134.79
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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.