Home / 8,363.25-12,548.52-3,980.75

Finding the Fourth Proportional to 8,363.25, 12,548.52 and 3,980.75

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Solution

The fourth proportional to 8,363.25, 12,548.52 and 3,980.75 is: 5,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.25 : 12,548.52 = 3,980.75 : x
  2. Step 2: Convert to fraction form
    8,363.25/12,548.52 = 3,980.75/x
  3. Step 3: Cross multiply
    8,363.25x = 12,548.52 × 3,980.75
  4. Step 4: Simplify right side
    8,363.25x = 49,952,458.25
  5. Step 5: Solve for x
    x = 49,952,458.25/8,363.25
  6. Step 6: Final answer
    x = 5,972.85

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1.5x scale

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.