Home / 4,889.66-7,334.48-1,191.86

Finding the Fourth Proportional to 4,889.66, 7,334.48 and 1,191.86

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Solution

The fourth proportional to 4,889.66, 7,334.48 and 1,191.86 is: 1,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.66 : 7,334.48 = 1,191.86 : x
  2. Step 2: Convert to fraction form
    4,889.66/7,334.48 = 1,191.86/x
  3. Step 3: Cross multiply
    4,889.66x = 7,334.48 × 1,191.86
  4. Step 4: Simplify right side
    4,889.66x = 8,741,673.33
  5. Step 5: Solve for x
    x = 8,741,673.33/4,889.66
  6. Step 6: Final answer
    x = 1,787.79

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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.