Home / 8,119.09-11,204.48-4,761.99

Finding the Fourth Proportional to 8,119.09, 11,204.48 and 4,761.99

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Solution

The fourth proportional to 8,119.09, 11,204.48 and 4,761.99 is: 6,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.09 : 11,204.48 = 4,761.99 : x
  2. Step 2: Convert to fraction form
    8,119.09/11,204.48 = 4,761.99/x
  3. Step 3: Cross multiply
    8,119.09x = 11,204.48 × 4,761.99
  4. Step 4: Simplify right side
    8,119.09x = 53,355,606.83
  5. Step 5: Solve for x
    x = 53,355,606.83/8,119.09
  6. Step 6: Final answer
    x = 6,571.63

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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.