Home / 6,226.80-8,591.76-4,129.68

Finding the Fourth Proportional to 6,226.80, 8,591.76 and 4,129.68

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Solution

The fourth proportional to 6,226.80, 8,591.76 and 4,129.68 is: 5,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,226.80 : 8,591.76 = 4,129.68 : x
  2. Step 2: Convert to fraction form
    6,226.80/8,591.76 = 4,129.68/x
  3. Step 3: Cross multiply
    6,226.80x = 8,591.76 × 4,129.68
  4. Step 4: Simplify right side
    6,226.80x = 35,481,219.44
  5. Step 5: Solve for x
    x = 35,481,219.44/6,226.80
  6. Step 6: Final answer
    x = 5,698.15

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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.