Finding the Third Proportional to 4,390.88 and 6,630.19
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Solution
The third proportional to 4,390.88 and 6,630.19 is: 10,011.53
Step by Step Solution
- Step 1: Write the proportion equation
4,390.88 : 6,630.19 = 6,630.19 : x - Step 2: Convert to fraction form
4,390.88/6,630.19 = 6,630.19/x - Step 3: Cross multiply
4,390.88x = 6,630.19 × 6,630.19 - Step 4: Simplify right side
4,390.88x = 43,959,386.29 - Step 5: Solve for x
x = 43,959,386.29/4,390.88 - Step 6: Final answer
x = 10,011.53
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.