Home / 7,739.81-11,601.77-3,057.92

Finding the Fourth Proportional to 7,739.81, 11,601.77 and 3,057.92

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Solution

The fourth proportional to 7,739.81, 11,601.77 and 3,057.92 is: 4,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.81 : 11,601.77 = 3,057.92 : x
  2. Step 2: Convert to fraction form
    7,739.81/11,601.77 = 3,057.92/x
  3. Step 3: Cross multiply
    7,739.81x = 11,601.77 × 3,057.92
  4. Step 4: Simplify right side
    7,739.81x = 35,477,211.22
  5. Step 5: Solve for x
    x = 35,477,211.22/7,739.81
  6. Step 6: Final answer
    x = 4,583.73

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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.