Home / 8,664.76-12,998.50-3,735.80

Finding the Fourth Proportional to 8,664.76, 12,998.50 and 3,735.80

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Solution

The fourth proportional to 8,664.76, 12,998.50 and 3,735.80 is: 5,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.76 : 12,998.50 = 3,735.80 : x
  2. Step 2: Convert to fraction form
    8,664.76/12,998.50 = 3,735.80/x
  3. Step 3: Cross multiply
    8,664.76x = 12,998.50 × 3,735.80
  4. Step 4: Simplify right side
    8,664.76x = 48,559,796.30
  5. Step 5: Solve for x
    x = 48,559,796.30/8,664.76
  6. Step 6: Final answer
    x = 5,604.29

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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.