Finding the Fourth Proportional to 4,612, 6,918.18 and 1,840
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Solution
The fourth proportional to 4,612, 6,918.18 and 1,840 is: 2,760.07
Step by Step Solution
- Step 1: Write the proportion equation
4,612 : 6,918.18 = 1,840 : x - Step 2: Convert to fraction form
4,612/6,918.18 = 1,840/x - Step 3: Cross multiply
4,612x = 6,918.18 × 1,840 - Step 4: Simplify right side
4,612x = 12,729,451.20 - Step 5: Solve for x
x = 12,729,451.20/4,612 - Step 6: Final answer
x = 2,760.07
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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.