Home / 4,667.20-6,991.35-2,906.80

Finding the Fourth Proportional to 4,667.20, 6,991.35 and 2,906.80

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Solution

The fourth proportional to 4,667.20, 6,991.35 and 2,906.80 is: 4,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.20 : 6,991.35 = 2,906.80 : x
  2. Step 2: Convert to fraction form
    4,667.20/6,991.35 = 2,906.80/x
  3. Step 3: Cross multiply
    4,667.20x = 6,991.35 × 2,906.80
  4. Step 4: Simplify right side
    4,667.20x = 20,322,456.18
  5. Step 5: Solve for x
    x = 20,322,456.18/4,667.20
  6. Step 6: Final answer
    x = 4,354.31

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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.