Home / 8,947.86-13,421.82-3,104.48

Finding the Fourth Proportional to 8,947.86, 13,421.82 and 3,104.48

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Solution

The fourth proportional to 8,947.86, 13,421.82 and 3,104.48 is: 4,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.86 : 13,421.82 = 3,104.48 : x
  2. Step 2: Convert to fraction form
    8,947.86/13,421.82 = 3,104.48/x
  3. Step 3: Cross multiply
    8,947.86x = 13,421.82 × 3,104.48
  4. Step 4: Simplify right side
    8,947.86x = 41,667,771.75
  5. Step 5: Solve for x
    x = 41,667,771.75/8,947.86
  6. Step 6: Final answer
    x = 4,656.73

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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.