Finding the Fourth Proportional to 7,628.67, 11,438.58 and 2,362.26
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Solution
The fourth proportional to 7,628.67, 11,438.58 and 2,362.26 is: 3,542.02
Step by Step Solution
- Step 1: Write the proportion equation
7,628.67 : 11,438.58 = 2,362.26 : x - Step 2: Convert to fraction form
7,628.67/11,438.58 = 2,362.26/x - Step 3: Cross multiply
7,628.67x = 11,438.58 × 2,362.26 - Step 4: Simplify right side
7,628.67x = 27,020,899.99 - Step 5: Solve for x
x = 27,020,899.99/7,628.67 - Step 6: Final answer
x = 3,542.02
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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.