Home / 6,255.21-8,634.96-3,898.92

Finding the Fourth Proportional to 6,255.21, 8,634.96 and 3,898.92

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Solution

The fourth proportional to 6,255.21, 8,634.96 and 3,898.92 is: 5,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.21 : 8,634.96 = 3,898.92 : x
  2. Step 2: Convert to fraction form
    6,255.21/8,634.96 = 3,898.92/x
  3. Step 3: Cross multiply
    6,255.21x = 8,634.96 × 3,898.92
  4. Step 4: Simplify right side
    6,255.21x = 33,667,018.24
  5. Step 5: Solve for x
    x = 33,667,018.24/6,255.21
  6. Step 6: Final answer
    x = 5,382.24

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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.