Home / 8,630.19-12,939.21-3,361.14

Finding the Fourth Proportional to 8,630.19, 12,939.21 and 3,361.14

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Solution

The fourth proportional to 8,630.19, 12,939.21 and 3,361.14 is: 5,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.19 : 12,939.21 = 3,361.14 : x
  2. Step 2: Convert to fraction form
    8,630.19/12,939.21 = 3,361.14/x
  3. Step 3: Cross multiply
    8,630.19x = 12,939.21 × 3,361.14
  4. Step 4: Simplify right side
    8,630.19x = 43,490,496.30
  5. Step 5: Solve for x
    x = 43,490,496.30/8,630.19
  6. Step 6: Final answer
    x = 5,039.34

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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.