Home / 9,793.20-14,689.83-3,219.90

Finding the Fourth Proportional to 9,793.20, 14,689.83 and 3,219.90

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Solution

The fourth proportional to 9,793.20, 14,689.83 and 3,219.90 is: 4,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.20 : 14,689.83 = 3,219.90 : x
  2. Step 2: Convert to fraction form
    9,793.20/14,689.83 = 3,219.90/x
  3. Step 3: Cross multiply
    9,793.20x = 14,689.83 × 3,219.90
  4. Step 4: Simplify right side
    9,793.20x = 47,299,783.62
  5. Step 5: Solve for x
    x = 47,299,783.62/9,793.20
  6. Step 6: Final answer
    x = 4,829.86

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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.