Finding the Fourth Proportional to 7,427.92, 10,228.93 and 6,953.05
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Solution
The fourth proportional to 7,427.92, 10,228.93 and 6,953.05 is: 9,574.99
Step by Step Solution
- Step 1: Write the proportion equation
7,427.92 : 10,228.93 = 6,953.05 : x - Step 2: Convert to fraction form
7,427.92/10,228.93 = 6,953.05/x - Step 3: Cross multiply
7,427.92x = 10,228.93 × 6,953.05 - Step 4: Simplify right side
7,427.92x = 71,122,226.97 - Step 5: Solve for x
x = 71,122,226.97/7,427.92 - Step 6: Final answer
x = 9,574.99
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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.