Home / 8,289.45-11,440.77-5,104.68

Finding the Fourth Proportional to 8,289.45, 11,440.77 and 5,104.68

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Solution

The fourth proportional to 8,289.45, 11,440.77 and 5,104.68 is: 7,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.45 : 11,440.77 = 5,104.68 : x
  2. Step 2: Convert to fraction form
    8,289.45/11,440.77 = 5,104.68/x
  3. Step 3: Cross multiply
    8,289.45x = 11,440.77 × 5,104.68
  4. Step 4: Simplify right side
    8,289.45x = 58,401,469.80
  5. Step 5: Solve for x
    x = 58,401,469.80/8,289.45
  6. Step 6: Final answer
    x = 7,045.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.