Finding the Fourth Proportional to 4,656, 6,985.08 and 1,578
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Solution
The fourth proportional to 4,656, 6,985.08 and 1,578 is: 2,367.37
Step by Step Solution
- Step 1: Write the proportion equation
4,656 : 6,985.08 = 1,578 : x - Step 2: Convert to fraction form
4,656/6,985.08 = 1,578/x - Step 3: Cross multiply
4,656x = 6,985.08 × 1,578 - Step 4: Simplify right side
4,656x = 11,022,456.24 - Step 5: Solve for x
x = 11,022,456.24/4,656 - Step 6: Final answer
x = 2,367.37
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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.