Home / 6,382.09-8,806.02-3,728.99

Finding the Fourth Proportional to 6,382.09, 8,806.02 and 3,728.99

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Solution

The fourth proportional to 6,382.09, 8,806.02 and 3,728.99 is: 5,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.09 : 8,806.02 = 3,728.99 : x
  2. Step 2: Convert to fraction form
    6,382.09/8,806.02 = 3,728.99/x
  3. Step 3: Cross multiply
    6,382.09x = 8,806.02 × 3,728.99
  4. Step 4: Simplify right side
    6,382.09x = 32,837,519.02
  5. Step 5: Solve for x
    x = 32,837,519.02/6,382.09
  6. Step 6: Final answer
    x = 5,145.26

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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.