Home / 8,323.41-11,489.49-5,137.22

Finding the Fourth Proportional to 8,323.41, 11,489.49 and 5,137.22

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Solution

The fourth proportional to 8,323.41, 11,489.49 and 5,137.22 is: 7,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.41 : 11,489.49 = 5,137.22 : x
  2. Step 2: Convert to fraction form
    8,323.41/11,489.49 = 5,137.22/x
  3. Step 3: Cross multiply
    8,323.41x = 11,489.49 × 5,137.22
  4. Step 4: Simplify right side
    8,323.41x = 59,024,037.82
  5. Step 5: Solve for x
    x = 59,024,037.82/8,323.41
  6. Step 6: Final answer
    x = 7,091.33

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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.