Home / 7,828.30-11,742.04-2,562.65

Finding the Fourth Proportional to 7,828.30, 11,742.04 and 2,562.65

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Solution

The fourth proportional to 7,828.30, 11,742.04 and 2,562.65 is: 3,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.30 : 11,742.04 = 2,562.65 : x
  2. Step 2: Convert to fraction form
    7,828.30/11,742.04 = 2,562.65/x
  3. Step 3: Cross multiply
    7,828.30x = 11,742.04 × 2,562.65
  4. Step 4: Simplify right side
    7,828.30x = 30,090,668.88
  5. Step 5: Solve for x
    x = 30,090,668.88/7,828.30
  6. Step 6: Final answer
    x = 3,843.83

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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.