Home / 6,667.24-9,994.90-3,378.64

Finding the Fourth Proportional to 6,667.24, 9,994.90 and 3,378.64

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Solution

The fourth proportional to 6,667.24, 9,994.90 and 3,378.64 is: 5,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.24 : 9,994.90 = 3,378.64 : x
  2. Step 2: Convert to fraction form
    6,667.24/9,994.90 = 3,378.64/x
  3. Step 3: Cross multiply
    6,667.24x = 9,994.90 × 3,378.64
  4. Step 4: Simplify right side
    6,667.24x = 33,769,168.94
  5. Step 5: Solve for x
    x = 33,769,168.94/6,667.24
  6. Step 6: Final answer
    x = 5,064.94

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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.