Home / 7,739.44-11,603.33-3,789.47

Finding the Fourth Proportional to 7,739.44, 11,603.33 and 3,789.47

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Solution

The fourth proportional to 7,739.44, 11,603.33 and 3,789.47 is: 5,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.44 : 11,603.33 = 3,789.47 : x
  2. Step 2: Convert to fraction form
    7,739.44/11,603.33 = 3,789.47/x
  3. Step 3: Cross multiply
    7,739.44x = 11,603.33 × 3,789.47
  4. Step 4: Simplify right side
    7,739.44x = 43,970,470.94
  5. Step 5: Solve for x
    x = 43,970,470.94/7,739.44
  6. Step 6: Final answer
    x = 5,681.35

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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.