Home / 4,667.78-6,440.24-3,249.90

Finding the Fourth Proportional to 4,667.78, 6,440.24 and 3,249.90

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Solution

The fourth proportional to 4,667.78, 6,440.24 and 3,249.90 is: 4,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.78 : 6,440.24 = 3,249.90 : x
  2. Step 2: Convert to fraction form
    4,667.78/6,440.24 = 3,249.90/x
  3. Step 3: Cross multiply
    4,667.78x = 6,440.24 × 3,249.90
  4. Step 4: Simplify right side
    4,667.78x = 20,930,135.98
  5. Step 5: Solve for x
    x = 20,930,135.98/4,667.78
  6. Step 6: Final answer
    x = 4,483.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.