Home / 4,879.07-7,318.60-1,181.30

Finding the Fourth Proportional to 4,879.07, 7,318.60 and 1,181.30

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Solution

The fourth proportional to 4,879.07, 7,318.60 and 1,181.30 is: 1,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.07 : 7,318.60 = 1,181.30 : x
  2. Step 2: Convert to fraction form
    4,879.07/7,318.60 = 1,181.30/x
  3. Step 3: Cross multiply
    4,879.07x = 7,318.60 × 1,181.30
  4. Step 4: Simplify right side
    4,879.07x = 8,645,422.63
  5. Step 5: Solve for x
    x = 8,645,422.63/4,879.07
  6. Step 6: Final answer
    x = 1,771.94

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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.