Finding the Fourth Proportional to 7,639.44, 11,460.95 and 2,374.18
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Solution
The fourth proportional to 7,639.44, 11,460.95 and 2,374.18 is: 3,561.82
Step by Step Solution
- Step 1: Write the proportion equation
7,639.44 : 11,460.95 = 2,374.18 : x - Step 2: Convert to fraction form
7,639.44/11,460.95 = 2,374.18/x - Step 3: Cross multiply
7,639.44x = 11,460.95 × 2,374.18 - Step 4: Simplify right side
7,639.44x = 27,210,326.65 - Step 5: Solve for x
x = 27,210,326.65/7,639.44 - Step 6: Final answer
x = 3,561.82
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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.