Finding the Fourth Proportional to 7,563.84, 11,335.36 and 5,713.44
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Solution
The fourth proportional to 7,563.84, 11,335.36 and 5,713.44 is: 8,562.30
Step by Step Solution
- Step 1: Write the proportion equation
7,563.84 : 11,335.36 = 5,713.44 : x - Step 2: Convert to fraction form
7,563.84/11,335.36 = 5,713.44/x - Step 3: Cross multiply
7,563.84x = 11,335.36 × 5,713.44 - Step 4: Simplify right side
7,563.84x = 64,763,899.24 - Step 5: Solve for x
x = 64,763,899.24/7,563.84 - Step 6: Final answer
x = 8,562.30
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1.5x scale
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.