Home / 6,334.20-8,739.27-3,681.09

Finding the Fourth Proportional to 6,334.20, 8,739.27 and 3,681.09

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Solution

The fourth proportional to 6,334.20, 8,739.27 and 3,681.09 is: 5,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,334.20 : 8,739.27 = 3,681.09 : x
  2. Step 2: Convert to fraction form
    6,334.20/8,739.27 = 3,681.09/x
  3. Step 3: Cross multiply
    6,334.20x = 8,739.27 × 3,681.09
  4. Step 4: Simplify right side
    6,334.20x = 32,170,039.40
  5. Step 5: Solve for x
    x = 32,170,039.40/6,334.20
  6. Step 6: Final answer
    x = 5,078.78

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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.