Finding the Fourth Proportional to 5,206, 7,810.08 and 2,128
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Solution
The fourth proportional to 5,206, 7,810.08 and 2,128 is: 3,192.44
Step by Step Solution
- Step 1: Write the proportion equation
5,206 : 7,810.08 = 2,128 : x - Step 2: Convert to fraction form
5,206/7,810.08 = 2,128/x - Step 3: Cross multiply
5,206x = 7,810.08 × 2,128 - Step 4: Simplify right side
5,206x = 16,619,850.24 - Step 5: Solve for x
x = 16,619,850.24/5,206 - Step 6: Final answer
x = 3,192.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.