Home / 4,383.20-6,581.20-3,090.40

Finding the Fourth Proportional to 4,383.20, 6,581.20 and 3,090.40

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Solution

The fourth proportional to 4,383.20, 6,581.20 and 3,090.40 is: 4,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,383.20 : 6,581.20 = 3,090.40 : x
  2. Step 2: Convert to fraction form
    4,383.20/6,581.20 = 3,090.40/x
  3. Step 3: Cross multiply
    4,383.20x = 6,581.20 × 3,090.40
  4. Step 4: Simplify right side
    4,383.20x = 20,338,540.48
  5. Step 5: Solve for x
    x = 20,338,540.48/4,383.20
  6. Step 6: Final answer
    x = 4,640.11

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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.