Home / 4,879.09-7,308.87-2,930.23

Finding the Fourth Proportional to 4,879.09, 7,308.87 and 2,930.23

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Solution

The fourth proportional to 4,879.09, 7,308.87 and 2,930.23 is: 4,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.09 : 7,308.87 = 2,930.23 : x
  2. Step 2: Convert to fraction form
    4,879.09/7,308.87 = 2,930.23/x
  3. Step 3: Cross multiply
    4,879.09x = 7,308.87 × 2,930.23
  4. Step 4: Simplify right side
    4,879.09x = 21,416,670.14
  5. Step 5: Solve for x
    x = 21,416,670.14/4,879.09
  6. Step 6: Final answer
    x = 4,389.48

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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.