Home / 8,209.44-11,334.42-6,317.55

Finding the Fourth Proportional to 8,209.44, 11,334.42 and 6,317.55

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Solution

The fourth proportional to 8,209.44, 11,334.42 and 6,317.55 is: 8,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.44 : 11,334.42 = 6,317.55 : x
  2. Step 2: Convert to fraction form
    8,209.44/11,334.42 = 6,317.55/x
  3. Step 3: Cross multiply
    8,209.44x = 11,334.42 × 6,317.55
  4. Step 4: Simplify right side
    8,209.44x = 71,605,765.07
  5. Step 5: Solve for x
    x = 71,605,765.07/8,209.44
  6. Step 6: Final answer
    x = 8,722.37

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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.