Finding the Fourth Proportional to 4,858.93, 6,705.84 and 2,869.68
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Solution
The fourth proportional to 4,858.93, 6,705.84 and 2,869.68 is: 3,960.45
Step by Step Solution
- Step 1: Write the proportion equation
4,858.93 : 6,705.84 = 2,869.68 : x - Step 2: Convert to fraction form
4,858.93/6,705.84 = 2,869.68/x - Step 3: Cross multiply
4,858.93x = 6,705.84 × 2,869.68 - Step 4: Simplify right side
4,858.93x = 19,243,574.23 - Step 5: Solve for x
x = 19,243,574.23/4,858.93 - Step 6: Final answer
x = 3,960.45
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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.