Finding the Fourth Proportional to 4,992.93, 6,890.13 and 2,754.99
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Solution
The fourth proportional to 4,992.93, 6,890.13 and 2,754.99 is: 3,801.82
Step by Step Solution
- Step 1: Write the proportion equation
4,992.93 : 6,890.13 = 2,754.99 : x - Step 2: Convert to fraction form
4,992.93/6,890.13 = 2,754.99/x - Step 3: Cross multiply
4,992.93x = 6,890.13 × 2,754.99 - Step 4: Simplify right side
4,992.93x = 18,982,239.25 - Step 5: Solve for x
x = 18,982,239.25/4,992.93 - Step 6: Final answer
x = 3,801.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.