Finding the Fourth Proportional to 10,406.24, 15,607.05 and 3,009.08
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Solution
The fourth proportional to 10,406.24, 15,607.05 and 3,009.08 is: 4,512.95
Step by Step Solution
- Step 1: Write the proportion equation
10,406.24 : 15,607.05 = 3,009.08 : x - Step 2: Convert to fraction form
10,406.24/15,607.05 = 3,009.08/x - Step 3: Cross multiply
10,406.24x = 15,607.05 × 3,009.08 - Step 4: Simplify right side
10,406.24x = 46,962,862.01 - Step 5: Solve for x
x = 46,962,862.01/10,406.24 - Step 6: Final answer
x = 4,512.95
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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.