Home / 5,778.08-8,667.76-3,179.68

Finding the Fourth Proportional to 5,778.08, 8,667.76 and 3,179.68

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Solution

The fourth proportional to 5,778.08, 8,667.76 and 3,179.68 is: 4,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.08 : 8,667.76 = 3,179.68 : x
  2. Step 2: Convert to fraction form
    5,778.08/8,667.76 = 3,179.68/x
  3. Step 3: Cross multiply
    5,778.08x = 8,667.76 × 3,179.68
  4. Step 4: Simplify right side
    5,778.08x = 27,560,703.12
  5. Step 5: Solve for x
    x = 27,560,703.12/5,778.08
  6. Step 6: Final answer
    x = 4,769.87

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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.