Finding the Fourth Proportional to 7,512.70, 10,367.84 and 4,681.74
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Solution
The fourth proportional to 7,512.70, 10,367.84 and 4,681.74 is: 6,461.00
Step by Step Solution
- Step 1: Write the proportion equation
7,512.70 : 10,367.84 = 4,681.74 : x - Step 2: Convert to fraction form
7,512.70/10,367.84 = 4,681.74/x - Step 3: Cross multiply
7,512.70x = 10,367.84 × 4,681.74 - Step 4: Simplify right side
7,512.70x = 48,539,531.24 - Step 5: Solve for x
x = 48,539,531.24/7,512.70 - Step 6: Final answer
x = 6,461.00
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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.