Home / 8,739.44-13,111.23-3,809.96

Finding the Fourth Proportional to 8,739.44, 13,111.23 and 3,809.96

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Solution

The fourth proportional to 8,739.44, 13,111.23 and 3,809.96 is: 5,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.44 : 13,111.23 = 3,809.96 : x
  2. Step 2: Convert to fraction form
    8,739.44/13,111.23 = 3,809.96/x
  3. Step 3: Cross multiply
    8,739.44x = 13,111.23 × 3,809.96
  4. Step 4: Simplify right side
    8,739.44x = 49,953,261.85
  5. Step 5: Solve for x
    x = 49,953,261.85/8,739.44
  6. Step 6: Final answer
    x = 5,715.84

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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.