Finding the Fourth Proportional to 8.99, 13.46 and 5.99
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Solution
The fourth proportional to 8.99, 13.46 and 5.99 is: 8.96
Step by Step Solution
- Step 1: Write the proportion equation
8.99 : 13.46 = 5.99 : x - Step 2: Convert to fraction form
8.99/13.46 = 5.99/x - Step 3: Cross multiply
8.99x = 13.46 × 5.99 - Step 4: Simplify right side
8.99x = 80.53 - Step 5: Solve for x
x = 80.53/8.99 - Step 6: Final answer
x = 8.96
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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.