Home / 5,107.30-7,668.15-3,163.30

Finding the Fourth Proportional to 5,107.30, 7,668.15 and 3,163.30

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Solution

The fourth proportional to 5,107.30, 7,668.15 and 3,163.30 is: 4,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.30 : 7,668.15 = 3,163.30 : x
  2. Step 2: Convert to fraction form
    5,107.30/7,668.15 = 3,163.30/x
  3. Step 3: Cross multiply
    5,107.30x = 7,668.15 × 3,163.30
  4. Step 4: Simplify right side
    5,107.30x = 24,256,658.90
  5. Step 5: Solve for x
    x = 24,256,658.90/5,107.30
  6. Step 6: Final answer
    x = 4,749.41

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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.