Home / 8,163.83-11,267.04-4,579.78

Finding the Fourth Proportional to 8,163.83, 11,267.04 and 4,579.78

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Solution

The fourth proportional to 8,163.83, 11,267.04 and 4,579.78 is: 6,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.83 : 11,267.04 = 4,579.78 : x
  2. Step 2: Convert to fraction form
    8,163.83/11,267.04 = 4,579.78/x
  3. Step 3: Cross multiply
    8,163.83x = 11,267.04 × 4,579.78
  4. Step 4: Simplify right side
    8,163.83x = 51,600,564.45
  5. Step 5: Solve for x
    x = 51,600,564.45/8,163.83
  6. Step 6: Final answer
    x = 6,320.63

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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.