Home / 8,380.50-12,572.55-2,833.98

Finding the Fourth Proportional to 8,380.50, 12,572.55 and 2,833.98

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Solution

The fourth proportional to 8,380.50, 12,572.55 and 2,833.98 is: 4,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.50 : 12,572.55 = 2,833.98 : x
  2. Step 2: Convert to fraction form
    8,380.50/12,572.55 = 2,833.98/x
  3. Step 3: Cross multiply
    8,380.50x = 12,572.55 × 2,833.98
  4. Step 4: Simplify right side
    8,380.50x = 35,630,355.25
  5. Step 5: Solve for x
    x = 35,630,355.25/8,380.50
  6. Step 6: Final answer
    x = 4,251.58

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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.