Finding the Fourth Proportional to 7,700.44, 11,539.26 and 6,323.44
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Solution
The fourth proportional to 7,700.44, 11,539.26 and 6,323.44 is: 9,475.80
Step by Step Solution
- Step 1: Write the proportion equation
7,700.44 : 11,539.26 = 6,323.44 : x - Step 2: Convert to fraction form
7,700.44/11,539.26 = 6,323.44/x - Step 3: Cross multiply
7,700.44x = 11,539.26 × 6,323.44 - Step 4: Simplify right side
7,700.44x = 72,967,818.25 - Step 5: Solve for x
x = 72,967,818.25/7,700.44 - Step 6: Final answer
x = 9,475.80
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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.