Home / 7,782.73-10,738.82-4,379.27

Finding the Fourth Proportional to 7,782.73, 10,738.82 and 4,379.27

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Solution

The fourth proportional to 7,782.73, 10,738.82 and 4,379.27 is: 6,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.73 : 10,738.82 = 4,379.27 : x
  2. Step 2: Convert to fraction form
    7,782.73/10,738.82 = 4,379.27/x
  3. Step 3: Cross multiply
    7,782.73x = 10,738.82 × 4,379.27
  4. Step 4: Simplify right side
    7,782.73x = 47,028,177.86
  5. Step 5: Solve for x
    x = 47,028,177.86/7,782.73
  6. Step 6: Final answer
    x = 6,042.63

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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.