Home / 6,128.01-8,455.78-3,474.91

Finding the Fourth Proportional to 6,128.01, 8,455.78 and 3,474.91

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Solution

The fourth proportional to 6,128.01, 8,455.78 and 3,474.91 is: 4,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.01 : 8,455.78 = 3,474.91 : x
  2. Step 2: Convert to fraction form
    6,128.01/8,455.78 = 3,474.91/x
  3. Step 3: Cross multiply
    6,128.01x = 8,455.78 × 3,474.91
  4. Step 4: Simplify right side
    6,128.01x = 29,383,074.48
  5. Step 5: Solve for x
    x = 29,383,074.48/6,128.01
  6. Step 6: Final answer
    x = 4,794.88

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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.