Home / 8,104.57-12,155.73-3,177.64

Finding the Fourth Proportional to 8,104.57, 12,155.73 and 3,177.64

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Solution

The fourth proportional to 8,104.57, 12,155.73 and 3,177.64 is: 4,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.57 : 12,155.73 = 3,177.64 : x
  2. Step 2: Convert to fraction form
    8,104.57/12,155.73 = 3,177.64/x
  3. Step 3: Cross multiply
    8,104.57x = 12,155.73 × 3,177.64
  4. Step 4: Simplify right side
    8,104.57x = 38,626,533.88
  5. Step 5: Solve for x
    x = 38,626,533.88/8,104.57
  6. Step 6: Final answer
    x = 4,766.02

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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.