Home / 6,112.06-9,155.32-3,909.60

Finding the Fourth Proportional to 6,112.06, 9,155.32 and 3,909.60

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Solution

The fourth proportional to 6,112.06, 9,155.32 and 3,909.60 is: 5,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.06 : 9,155.32 = 3,909.60 : x
  2. Step 2: Convert to fraction form
    6,112.06/9,155.32 = 3,909.60/x
  3. Step 3: Cross multiply
    6,112.06x = 9,155.32 × 3,909.60
  4. Step 4: Simplify right side
    6,112.06x = 35,793,573.75
  5. Step 5: Solve for x
    x = 35,793,573.75/6,112.06
  6. Step 6: Final answer
    x = 5,856.23

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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.