Home / 7,923.40-11,883.48-2,729.68

Finding the Fourth Proportional to 7,923.40, 11,883.48 and 2,729.68

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Solution

The fourth proportional to 7,923.40, 11,883.48 and 2,729.68 is: 4,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.40 : 11,883.48 = 2,729.68 : x
  2. Step 2: Convert to fraction form
    7,923.40/11,883.48 = 2,729.68/x
  3. Step 3: Cross multiply
    7,923.40x = 11,883.48 × 2,729.68
  4. Step 4: Simplify right side
    7,923.40x = 32,438,097.69
  5. Step 5: Solve for x
    x = 32,438,097.69/7,923.40
  6. Step 6: Final answer
    x = 4,093.96

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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.