Home / 4,879.51-7,310.97-3,485.75

Finding the Fourth Proportional to 4,879.51, 7,310.97 and 3,485.75

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Solution

The fourth proportional to 4,879.51, 7,310.97 and 3,485.75 is: 5,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.51 : 7,310.97 = 3,485.75 : x
  2. Step 2: Convert to fraction form
    4,879.51/7,310.97 = 3,485.75/x
  3. Step 3: Cross multiply
    4,879.51x = 7,310.97 × 3,485.75
  4. Step 4: Simplify right side
    4,879.51x = 25,484,177.12
  5. Step 5: Solve for x
    x = 25,484,177.12/4,879.51
  6. Step 6: Final answer
    x = 5,222.69

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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.