Finding the Fourth Proportional to 9,750.57, 13,455.36 and 6,214.92
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Solution
The fourth proportional to 9,750.57, 13,455.36 and 6,214.92 is: 8,576.32
Step by Step Solution
- Step 1: Write the proportion equation
9,750.57 : 13,455.36 = 6,214.92 : x - Step 2: Convert to fraction form
9,750.57/13,455.36 = 6,214.92/x - Step 3: Cross multiply
9,750.57x = 13,455.36 × 6,214.92 - Step 4: Simplify right side
9,750.57x = 83,623,985.97 - Step 5: Solve for x
x = 83,623,985.97/9,750.57 - Step 6: Final answer
x = 8,576.32
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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.