Home / 4,077.25-6,115.86-1,155.56

Finding the Fourth Proportional to 4,077.25, 6,115.86 and 1,155.56

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Solution

The fourth proportional to 4,077.25, 6,115.86 and 1,155.56 is: 1,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.25 : 6,115.86 = 1,155.56 : x
  2. Step 2: Convert to fraction form
    4,077.25/6,115.86 = 1,155.56/x
  3. Step 3: Cross multiply
    4,077.25x = 6,115.86 × 1,155.56
  4. Step 4: Simplify right side
    4,077.25x = 7,067,212.60
  5. Step 5: Solve for x
    x = 7,067,212.60/4,077.25
  6. Step 6: Final answer
    x = 1,733.33

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Double scale
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Similar ratio
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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.