Home / 4,453.09-6,141.24-2,857.90

Finding the Fourth Proportional to 4,453.09, 6,141.24 and 2,857.90

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Solution

The fourth proportional to 4,453.09, 6,141.24 and 2,857.90 is: 3,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.09 : 6,141.24 = 2,857.90 : x
  2. Step 2: Convert to fraction form
    4,453.09/6,141.24 = 2,857.90/x
  3. Step 3: Cross multiply
    4,453.09x = 6,141.24 × 2,857.90
  4. Step 4: Simplify right side
    4,453.09x = 17,551,049.80
  5. Step 5: Solve for x
    x = 17,551,049.80/4,453.09
  6. Step 6: Final answer
    x = 3,941.32

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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.