Home / 7,778.92-11,667.09-3,337.30

Finding the Fourth Proportional to 7,778.92, 11,667.09 and 3,337.30

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Solution

The fourth proportional to 7,778.92, 11,667.09 and 3,337.30 is: 5,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.92 : 11,667.09 = 3,337.30 : x
  2. Step 2: Convert to fraction form
    7,778.92/11,667.09 = 3,337.30/x
  3. Step 3: Cross multiply
    7,778.92x = 11,667.09 × 3,337.30
  4. Step 4: Simplify right side
    7,778.92x = 38,936,584.68
  5. Step 5: Solve for x
    x = 38,936,584.68/7,778.92
  6. Step 6: Final answer
    x = 5,005.40

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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.