Home / 7,604.21-11,407.03-2,057.60

Finding the Fourth Proportional to 7,604.21, 11,407.03 and 2,057.60

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Solution

The fourth proportional to 7,604.21, 11,407.03 and 2,057.60 is: 3,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.21 : 11,407.03 = 2,057.60 : x
  2. Step 2: Convert to fraction form
    7,604.21/11,407.03 = 2,057.60/x
  3. Step 3: Cross multiply
    7,604.21x = 11,407.03 × 2,057.60
  4. Step 4: Simplify right side
    7,604.21x = 23,471,128.30
  5. Step 5: Solve for x
    x = 23,471,128.30/7,604.21
  6. Step 6: Final answer
    x = 3,086.60

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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.