Home / 7,810.06-11,716.66-2,879.73

Finding the Fourth Proportional to 7,810.06, 11,716.66 and 2,879.73

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Solution

The fourth proportional to 7,810.06, 11,716.66 and 2,879.73 is: 4,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.06 : 11,716.66 = 2,879.73 : x
  2. Step 2: Convert to fraction form
    7,810.06/11,716.66 = 2,879.73/x
  3. Step 3: Cross multiply
    7,810.06x = 11,716.66 × 2,879.73
  4. Step 4: Simplify right side
    7,810.06x = 33,740,817.30
  5. Step 5: Solve for x
    x = 33,740,817.30/7,810.06
  6. Step 6: Final answer
    x = 4,320.17

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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.