Home / 8,179.45-11,287.67-4,453.45

Finding the Fourth Proportional to 8,179.45, 11,287.67 and 4,453.45

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Solution

The fourth proportional to 8,179.45, 11,287.67 and 4,453.45 is: 6,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.45 : 11,287.67 = 4,453.45 : x
  2. Step 2: Convert to fraction form
    8,179.45/11,287.67 = 4,453.45/x
  3. Step 3: Cross multiply
    8,179.45x = 11,287.67 × 4,453.45
  4. Step 4: Simplify right side
    8,179.45x = 50,269,023.48
  5. Step 5: Solve for x
    x = 50,269,023.48/8,179.45
  6. Step 6: Final answer
    x = 6,145.77

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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.