Finding the Fourth Proportional to 7,972.41, 11,959.08 and 2,425.95
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Solution
The fourth proportional to 7,972.41, 11,959.08 and 2,425.95 is: 3,639.07
Step by Step Solution
- Step 1: Write the proportion equation
7,972.41 : 11,959.08 = 2,425.95 : x - Step 2: Convert to fraction form
7,972.41/11,959.08 = 2,425.95/x - Step 3: Cross multiply
7,972.41x = 11,959.08 × 2,425.95 - Step 4: Simplify right side
7,972.41x = 29,012,130.13 - Step 5: Solve for x
x = 29,012,130.13/7,972.41 - Step 6: Final answer
x = 3,639.07
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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.