Home / 8,839.35-13,259.03-3,906.45

Finding the Fourth Proportional to 8,839.35, 13,259.03 and 3,906.45

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Solution

The fourth proportional to 8,839.35, 13,259.03 and 3,906.45 is: 5,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.35 : 13,259.03 = 3,906.45 : x
  2. Step 2: Convert to fraction form
    8,839.35/13,259.03 = 3,906.45/x
  3. Step 3: Cross multiply
    8,839.35x = 13,259.03 × 3,906.45
  4. Step 4: Simplify right side
    8,839.35x = 51,795,718.21
  5. Step 5: Solve for x
    x = 51,795,718.21/8,839.35
  6. Step 6: Final answer
    x = 5,859.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.