Home / 6,314.21-8,713.67-3,481.70

Finding the Fourth Proportional to 6,314.21, 8,713.67 and 3,481.70

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Solution

The fourth proportional to 6,314.21, 8,713.67 and 3,481.70 is: 4,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,314.21 : 8,713.67 = 3,481.70 : x
  2. Step 2: Convert to fraction form
    6,314.21/8,713.67 = 3,481.70/x
  3. Step 3: Cross multiply
    6,314.21x = 8,713.67 × 3,481.70
  4. Step 4: Simplify right side
    6,314.21x = 30,338,384.84
  5. Step 5: Solve for x
    x = 30,338,384.84/6,314.21
  6. Step 6: Final answer
    x = 4,804.78

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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.