Finding the Fourth Proportional to 7,602.60, 11,400.99 and 3,652.76
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Solution
The fourth proportional to 7,602.60, 11,400.99 and 3,652.76 is: 5,477.74
Step by Step Solution
- Step 1: Write the proportion equation
7,602.60 : 11,400.99 = 3,652.76 : x - Step 2: Convert to fraction form
7,602.60/11,400.99 = 3,652.76/x - Step 3: Cross multiply
7,602.60x = 11,400.99 × 3,652.76 - Step 4: Simplify right side
7,602.60x = 41,645,080.23 - Step 5: Solve for x
x = 41,645,080.23/7,602.60 - Step 6: Final answer
x = 5,477.74
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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.