Home / 8,378.22-12,563.38-2,829.93

Finding the Fourth Proportional to 8,378.22, 12,563.38 and 2,829.93

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Solution

The fourth proportional to 8,378.22, 12,563.38 and 2,829.93 is: 4,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.22 : 12,563.38 = 2,829.93 : x
  2. Step 2: Convert to fraction form
    8,378.22/12,563.38 = 2,829.93/x
  3. Step 3: Cross multiply
    8,378.22x = 12,563.38 × 2,829.93
  4. Step 4: Simplify right side
    8,378.22x = 35,553,485.96
  5. Step 5: Solve for x
    x = 35,553,485.96/8,378.22
  6. Step 6: Final answer
    x = 4,243.56

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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.