Home / 8,213.11-12,299.92-4,692.47

Finding the Fourth Proportional to 8,213.11, 12,299.92 and 4,692.47

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Solution

The fourth proportional to 8,213.11, 12,299.92 and 4,692.47 is: 7,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.11 : 12,299.92 = 4,692.47 : x
  2. Step 2: Convert to fraction form
    8,213.11/12,299.92 = 4,692.47/x
  3. Step 3: Cross multiply
    8,213.11x = 12,299.92 × 4,692.47
  4. Step 4: Simplify right side
    8,213.11x = 57,716,932.37
  5. Step 5: Solve for x
    x = 57,716,932.37/8,213.11
  6. Step 6: Final answer
    x = 7,027.42

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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.