Home / 8,169.26-11,273.14-4,811.30

Finding the Fourth Proportional to 8,169.26, 11,273.14 and 4,811.30

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Solution

The fourth proportional to 8,169.26, 11,273.14 and 4,811.30 is: 6,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.26 : 11,273.14 = 4,811.30 : x
  2. Step 2: Convert to fraction form
    8,169.26/11,273.14 = 4,811.30/x
  3. Step 3: Cross multiply
    8,169.26x = 11,273.14 × 4,811.30
  4. Step 4: Simplify right side
    8,169.26x = 54,238,458.48
  5. Step 5: Solve for x
    x = 54,238,458.48/8,169.26
  6. Step 6: Final answer
    x = 6,639.34

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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.