Home / 6,418.50-8,857.96-3,764.94

Finding the Fourth Proportional to 6,418.50, 8,857.96 and 3,764.94

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Solution

The fourth proportional to 6,418.50, 8,857.96 and 3,764.94 is: 5,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.50 : 8,857.96 = 3,764.94 : x
  2. Step 2: Convert to fraction form
    6,418.50/8,857.96 = 3,764.94/x
  3. Step 3: Cross multiply
    6,418.50x = 8,857.96 × 3,764.94
  4. Step 4: Simplify right side
    6,418.50x = 33,349,687.92
  5. Step 5: Solve for x
    x = 33,349,687.92/6,418.50
  6. Step 6: Final answer
    x = 5,195.87

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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.