Home / 7,829.99-11,745.39-3,826.16

Finding the Fourth Proportional to 7,829.99, 11,745.39 and 3,826.16

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Solution

The fourth proportional to 7,829.99, 11,745.39 and 3,826.16 is: 5,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.99 : 11,745.39 = 3,826.16 : x
  2. Step 2: Convert to fraction form
    7,829.99/11,745.39 = 3,826.16/x
  3. Step 3: Cross multiply
    7,829.99x = 11,745.39 × 3,826.16
  4. Step 4: Simplify right side
    7,829.99x = 44,939,741.40
  5. Step 5: Solve for x
    x = 44,939,741.40/7,829.99
  6. Step 6: Final answer
    x = 5,739.44

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1.5x scale

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.