Home / 8,620.26-11,896.55-5,792.37

Finding the Fourth Proportional to 8,620.26, 11,896.55 and 5,792.37

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Solution

The fourth proportional to 8,620.26, 11,896.55 and 5,792.37 is: 7,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.26 : 11,896.55 = 5,792.37 : x
  2. Step 2: Convert to fraction form
    8,620.26/11,896.55 = 5,792.37/x
  3. Step 3: Cross multiply
    8,620.26x = 11,896.55 × 5,792.37
  4. Step 4: Simplify right side
    8,620.26x = 68,909,219.32
  5. Step 5: Solve for x
    x = 68,909,219.32/8,620.26
  6. Step 6: Final answer
    x = 7,993.87

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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.