Home / 7,828.12-11,743.98-2,563.30

Finding the Fourth Proportional to 7,828.12, 11,743.98 and 2,563.30

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Solution

The fourth proportional to 7,828.12, 11,743.98 and 2,563.30 is: 3,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.12 : 11,743.98 = 2,563.30 : x
  2. Step 2: Convert to fraction form
    7,828.12/11,743.98 = 2,563.30/x
  3. Step 3: Cross multiply
    7,828.12x = 11,743.98 × 2,563.30
  4. Step 4: Simplify right side
    7,828.12x = 30,103,343.93
  5. Step 5: Solve for x
    x = 30,103,343.93/7,828.12
  6. Step 6: Final answer
    x = 3,845.54

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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.