Home / 4,453.56-6,143.98-2,857.36

Finding the Fourth Proportional to 4,453.56, 6,143.98 and 2,857.36

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Solution

The fourth proportional to 4,453.56, 6,143.98 and 2,857.36 is: 3,941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.56 : 6,143.98 = 2,857.36 : x
  2. Step 2: Convert to fraction form
    4,453.56/6,143.98 = 2,857.36/x
  3. Step 3: Cross multiply
    4,453.56x = 6,143.98 × 2,857.36
  4. Step 4: Simplify right side
    4,453.56x = 17,555,562.69
  5. Step 5: Solve for x
    x = 17,555,562.69/4,453.56
  6. Step 6: Final answer
    x = 3,941.92

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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.