Home / 8,180.26-11,295.12-6,288.91

Finding the Fourth Proportional to 8,180.26, 11,295.12 and 6,288.91

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Solution

The fourth proportional to 8,180.26, 11,295.12 and 6,288.91 is: 8,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.26 : 11,295.12 = 6,288.91 : x
  2. Step 2: Convert to fraction form
    8,180.26/11,295.12 = 6,288.91/x
  3. Step 3: Cross multiply
    8,180.26x = 11,295.12 × 6,288.91
  4. Step 4: Simplify right side
    8,180.26x = 71,033,993.12
  5. Step 5: Solve for x
    x = 71,033,993.12/8,180.26
  6. Step 6: Final answer
    x = 8,683.59

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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.