Home / 8,209.20-12,313.56-2,365.56

Finding the Fourth Proportional to 8,209.20, 12,313.56 and 2,365.56

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Solution

The fourth proportional to 8,209.20, 12,313.56 and 2,365.56 is: 3,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.20 : 12,313.56 = 2,365.56 : x
  2. Step 2: Convert to fraction form
    8,209.20/12,313.56 = 2,365.56/x
  3. Step 3: Cross multiply
    8,209.20x = 12,313.56 × 2,365.56
  4. Step 4: Simplify right side
    8,209.20x = 29,128,464.99
  5. Step 5: Solve for x
    x = 29,128,464.99/8,209.20
  6. Step 6: Final answer
    x = 3,548.27

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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.