Home / 8,276.73-12,403.44-4,112.79

Finding the Fourth Proportional to 8,276.73, 12,403.44 and 4,112.79

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Solution

The fourth proportional to 8,276.73, 12,403.44 and 4,112.79 is: 6,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.73 : 12,403.44 = 4,112.79 : x
  2. Step 2: Convert to fraction form
    8,276.73/12,403.44 = 4,112.79/x
  3. Step 3: Cross multiply
    8,276.73x = 12,403.44 × 4,112.79
  4. Step 4: Simplify right side
    8,276.73x = 51,012,744.00
  5. Step 5: Solve for x
    x = 51,012,744.00/8,276.73
  6. Step 6: Final answer
    x = 6,163.39

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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.