Finding the Fourth Proportional to 7,860, 10,846.80 and 4,548
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Solution
The fourth proportional to 7,860, 10,846.80 and 4,548 is: 6,276.24
Step by Step Solution
- Step 1: Write the proportion equation
7,860 : 10,846.80 = 4,548 : x - Step 2: Convert to fraction form
7,860/10,846.80 = 4,548/x - Step 3: Cross multiply
7,860x = 10,846.80 × 4,548 - Step 4: Simplify right side
7,860x = 49,331,246.40 - Step 5: Solve for x
x = 49,331,246.40/7,860 - Step 6: Final answer
x = 6,276.24
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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.