Home / 7,704.58-11,558.61-2,439.91

Finding the Fourth Proportional to 7,704.58, 11,558.61 and 2,439.91

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Solution

The fourth proportional to 7,704.58, 11,558.61 and 2,439.91 is: 3,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.58 : 11,558.61 = 2,439.91 : x
  2. Step 2: Convert to fraction form
    7,704.58/11,558.61 = 2,439.91/x
  3. Step 3: Cross multiply
    7,704.58x = 11,558.61 × 2,439.91
  4. Step 4: Simplify right side
    7,704.58x = 28,201,968.13
  5. Step 5: Solve for x
    x = 28,201,968.13/7,704.58
  6. Step 6: Final answer
    x = 3,660.42

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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.