Finding the Fourth Proportional to 8,130.95, 11,220.93 and 4,594.08
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Solution
The fourth proportional to 8,130.95, 11,220.93 and 4,594.08 is: 6,339.95
Step by Step Solution
- Step 1: Write the proportion equation
8,130.95 : 11,220.93 = 4,594.08 : x - Step 2: Convert to fraction form
8,130.95/11,220.93 = 4,594.08/x - Step 3: Cross multiply
8,130.95x = 11,220.93 × 4,594.08 - Step 4: Simplify right side
8,130.95x = 51,549,850.09 - Step 5: Solve for x
x = 51,549,850.09/8,130.95 - Step 6: Final answer
x = 6,339.95
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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.