Home / 6,129.58-8,456.54-3,738.73

Finding the Fourth Proportional to 6,129.58, 8,456.54 and 3,738.73

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Solution

The fourth proportional to 6,129.58, 8,456.54 and 3,738.73 is: 5,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.58 : 8,456.54 = 3,738.73 : x
  2. Step 2: Convert to fraction form
    6,129.58/8,456.54 = 3,738.73/x
  3. Step 3: Cross multiply
    6,129.58x = 8,456.54 × 3,738.73
  4. Step 4: Simplify right side
    6,129.58x = 31,616,708.00
  5. Step 5: Solve for x
    x = 31,616,708.00/6,129.58
  6. Step 6: Final answer
    x = 5,158.05

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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.