Finding the Fourth Proportional to 4,621.93, 6,936.01 and 2,156.99
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Solution
The fourth proportional to 4,621.93, 6,936.01 and 2,156.99 is: 3,236.93
Step by Step Solution
- Step 1: Write the proportion equation
4,621.93 : 6,936.01 = 2,156.99 : x - Step 2: Convert to fraction form
4,621.93/6,936.01 = 2,156.99/x - Step 3: Cross multiply
4,621.93x = 6,936.01 × 2,156.99 - Step 4: Simplify right side
4,621.93x = 14,960,864.14 - Step 5: Solve for x
x = 14,960,864.14/4,621.93 - Step 6: Final answer
x = 3,236.93
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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.