Home / 5,930.30-8,184.20-3,412.72

Finding the Fourth Proportional to 5,930.30, 8,184.20 and 3,412.72

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Solution

The fourth proportional to 5,930.30, 8,184.20 and 3,412.72 is: 4,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.30 : 8,184.20 = 3,412.72 : x
  2. Step 2: Convert to fraction form
    5,930.30/8,184.20 = 3,412.72/x
  3. Step 3: Cross multiply
    5,930.30x = 8,184.20 × 3,412.72
  4. Step 4: Simplify right side
    5,930.30x = 27,930,383.02
  5. Step 5: Solve for x
    x = 27,930,383.02/5,930.30
  6. Step 6: Final answer
    x = 4,709.78

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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.