Finding the Fourth Proportional to 7,386.27, 10,192.71 and 4,029.09
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Solution
The fourth proportional to 7,386.27, 10,192.71 and 4,029.09 is: 5,559.96
Step by Step Solution
- Step 1: Write the proportion equation
7,386.27 : 10,192.71 = 4,029.09 : x - Step 2: Convert to fraction form
7,386.27/10,192.71 = 4,029.09/x - Step 3: Cross multiply
7,386.27x = 10,192.71 × 4,029.09 - Step 4: Simplify right side
7,386.27x = 41,067,345.93 - Step 5: Solve for x
x = 41,067,345.93/7,386.27 - Step 6: Final answer
x = 5,559.96
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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.