Finding the Fourth Proportional to 4,668.29, 6,998.95 and 2,818.99
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Solution
The fourth proportional to 4,668.29, 6,998.95 and 2,818.99 is: 4,226.38
Step by Step Solution
- Step 1: Write the proportion equation
4,668.29 : 6,998.95 = 2,818.99 : x - Step 2: Convert to fraction form
4,668.29/6,998.95 = 2,818.99/x - Step 3: Cross multiply
4,668.29x = 6,998.95 × 2,818.99 - Step 4: Simplify right side
4,668.29x = 19,729,970.06 - Step 5: Solve for x
x = 19,729,970.06/4,668.29 - Step 6: Final answer
x = 4,226.38
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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.