Finding the Fourth Proportional to 5,977.74, 8,963.70 and 1,816.99
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Solution
The fourth proportional to 5,977.74, 8,963.70 and 1,816.99 is: 2,724.60
Step by Step Solution
- Step 1: Write the proportion equation
5,977.74 : 8,963.70 = 1,816.99 : x - Step 2: Convert to fraction form
5,977.74/8,963.70 = 1,816.99/x - Step 3: Cross multiply
5,977.74x = 8,963.70 × 1,816.99 - Step 4: Simplify right side
5,977.74x = 16,286,953.26 - Step 5: Solve for x
x = 16,286,953.26/5,977.74 - Step 6: Final answer
x = 2,724.60
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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.