Home / 7,923.85-11,883.87-2,659.05

Finding the Fourth Proportional to 7,923.85, 11,883.87 and 2,659.05

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Solution

The fourth proportional to 7,923.85, 11,883.87 and 2,659.05 is: 3,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.85 : 11,883.87 = 2,659.05 : x
  2. Step 2: Convert to fraction form
    7,923.85/11,883.87 = 2,659.05/x
  3. Step 3: Cross multiply
    7,923.85x = 11,883.87 × 2,659.05
  4. Step 4: Simplify right side
    7,923.85x = 31,599,804.52
  5. Step 5: Solve for x
    x = 31,599,804.52/7,923.85
  6. Step 6: Final answer
    x = 3,987.94

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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.