Home / 8,550.50-12,829.70-3,621.28

Finding the Fourth Proportional to 8,550.50, 12,829.70 and 3,621.28

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Solution

The fourth proportional to 8,550.50, 12,829.70 and 3,621.28 is: 5,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.50 : 12,829.70 = 3,621.28 : x
  2. Step 2: Convert to fraction form
    8,550.50/12,829.70 = 3,621.28/x
  3. Step 3: Cross multiply
    8,550.50x = 12,829.70 × 3,621.28
  4. Step 4: Simplify right side
    8,550.50x = 46,459,936.02
  5. Step 5: Solve for x
    x = 46,459,936.02/8,550.50
  6. Step 6: Final answer
    x = 5,433.59

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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.