Home / 8,630.44-12,945.67-3,439.96

Finding the Fourth Proportional to 8,630.44, 12,945.67 and 3,439.96

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Solution

The fourth proportional to 8,630.44, 12,945.67 and 3,439.96 is: 5,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.44 : 12,945.67 = 3,439.96 : x
  2. Step 2: Convert to fraction form
    8,630.44/12,945.67 = 3,439.96/x
  3. Step 3: Cross multiply
    8,630.44x = 12,945.67 × 3,439.96
  4. Step 4: Simplify right side
    8,630.44x = 44,532,546.01
  5. Step 5: Solve for x
    x = 44,532,546.01/8,630.44
  6. Step 6: Final answer
    x = 5,159.94

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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.