Finding the Fourth Proportional to 8,991.99, 13,494.96 and 6,237.99
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Solution
The fourth proportional to 8,991.99, 13,494.96 and 6,237.99 is: 9,361.82
Step by Step Solution
- Step 1: Write the proportion equation
8,991.99 : 13,494.96 = 6,237.99 : x - Step 2: Convert to fraction form
8,991.99/13,494.96 = 6,237.99/x - Step 3: Cross multiply
8,991.99x = 13,494.96 × 6,237.99 - Step 4: Simplify right side
8,991.99x = 84,181,425.53 - Step 5: Solve for x
x = 84,181,425.53/8,991.99 - Step 6: Final answer
x = 9,361.82
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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.