Finding the Fourth Proportional to 7,744.94, 11,616.19 and 6,437.09
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Solution
The fourth proportional to 7,744.94, 11,616.19 and 6,437.09 is: 9,654.62
Step by Step Solution
- Step 1: Write the proportion equation
7,744.94 : 11,616.19 = 6,437.09 : x - Step 2: Convert to fraction form
7,744.94/11,616.19 = 6,437.09/x - Step 3: Cross multiply
7,744.94x = 11,616.19 × 6,437.09 - Step 4: Simplify right side
7,744.94x = 74,774,460.49 - Step 5: Solve for x
x = 74,774,460.49/7,744.94 - Step 6: Final answer
x = 9,654.62
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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.