Home / 7,647.30-11,456.33-5,169.96

Finding the Fourth Proportional to 7,647.30, 11,456.33 and 5,169.96

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Solution

The fourth proportional to 7,647.30, 11,456.33 and 5,169.96 is: 7,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.30 : 11,456.33 = 5,169.96 : x
  2. Step 2: Convert to fraction form
    7,647.30/11,456.33 = 5,169.96/x
  3. Step 3: Cross multiply
    7,647.30x = 11,456.33 × 5,169.96
  4. Step 4: Simplify right side
    7,647.30x = 59,228,742.00
  5. Step 5: Solve for x
    x = 59,228,742.00/7,647.30
  6. Step 6: Final answer
    x = 7,745.05

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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.