Home / 7,745.28-11,623.68-4,047.36

Finding the Fourth Proportional to 7,745.28, 11,623.68 and 4,047.36

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Solution

The fourth proportional to 7,745.28, 11,623.68 and 4,047.36 is: 6,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.28 : 11,623.68 = 4,047.36 : x
  2. Step 2: Convert to fraction form
    7,745.28/11,623.68 = 4,047.36/x
  3. Step 3: Cross multiply
    7,745.28x = 11,623.68 × 4,047.36
  4. Step 4: Simplify right side
    7,745.28x = 47,045,217.48
  5. Step 5: Solve for x
    x = 47,045,217.48/7,745.28
  6. Step 6: Final answer
    x = 6,074.05

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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.