Home / 6,109.09-9,155.43-3,331.60

Finding the Fourth Proportional to 6,109.09, 9,155.43 and 3,331.60

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Solution

The fourth proportional to 6,109.09, 9,155.43 and 3,331.60 is: 4,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.09 : 9,155.43 = 3,331.60 : x
  2. Step 2: Convert to fraction form
    6,109.09/9,155.43 = 3,331.60/x
  3. Step 3: Cross multiply
    6,109.09x = 9,155.43 × 3,331.60
  4. Step 4: Simplify right side
    6,109.09x = 30,502,230.59
  5. Step 5: Solve for x
    x = 30,502,230.59/6,109.09
  6. Step 6: Final answer
    x = 4,992.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.