Home / 8,179.13-11,287.20-4,453.13

Finding the Fourth Proportional to 8,179.13, 11,287.20 and 4,453.13

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Solution

The fourth proportional to 8,179.13, 11,287.20 and 4,453.13 is: 6,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.13 : 11,287.20 = 4,453.13 : x
  2. Step 2: Convert to fraction form
    8,179.13/11,287.20 = 4,453.13/x
  3. Step 3: Cross multiply
    8,179.13x = 11,287.20 × 4,453.13
  4. Step 4: Simplify right side
    8,179.13x = 50,263,368.94
  5. Step 5: Solve for x
    x = 50,263,368.94/8,179.13
  6. Step 6: Final answer
    x = 6,145.32

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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.