Home / 7,739.86-11,600.24-3,055.16

Finding the Fourth Proportional to 7,739.86, 11,600.24 and 3,055.16

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Solution

The fourth proportional to 7,739.86, 11,600.24 and 3,055.16 is: 4,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.86 : 11,600.24 = 3,055.16 : x
  2. Step 2: Convert to fraction form
    7,739.86/11,600.24 = 3,055.16/x
  3. Step 3: Cross multiply
    7,739.86x = 11,600.24 × 3,055.16
  4. Step 4: Simplify right side
    7,739.86x = 35,440,589.24
  5. Step 5: Solve for x
    x = 35,440,589.24/7,739.86
  6. Step 6: Final answer
    x = 4,578.97

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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.