Home / 6,487.43-9,732.15-2,103.44

Finding the Fourth Proportional to 6,487.43, 9,732.15 and 2,103.44

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Solution

The fourth proportional to 6,487.43, 9,732.15 and 2,103.44 is: 3,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.43 : 9,732.15 = 2,103.44 : x
  2. Step 2: Convert to fraction form
    6,487.43/9,732.15 = 2,103.44/x
  3. Step 3: Cross multiply
    6,487.43x = 9,732.15 × 2,103.44
  4. Step 4: Simplify right side
    6,487.43x = 20,470,944.94
  5. Step 5: Solve for x
    x = 20,470,944.94/6,487.43
  6. Step 6: Final answer
    x = 3,155.48

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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.