Home / 8,223.18-12,334.77-4,758.54

Finding the Fourth Proportional to 8,223.18, 12,334.77 and 4,758.54

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Solution

The fourth proportional to 8,223.18, 12,334.77 and 4,758.54 is: 7,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.18 : 12,334.77 = 4,758.54 : x
  2. Step 2: Convert to fraction form
    8,223.18/12,334.77 = 4,758.54/x
  3. Step 3: Cross multiply
    8,223.18x = 12,334.77 × 4,758.54
  4. Step 4: Simplify right side
    8,223.18x = 58,695,496.44
  5. Step 5: Solve for x
    x = 58,695,496.44/8,223.18
  6. Step 6: Final answer
    x = 7,137.81

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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.