Home / 7,883.89-11,804.97-4,759.72

Finding the Fourth Proportional to 7,883.89, 11,804.97 and 4,759.72

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Solution

The fourth proportional to 7,883.89, 11,804.97 and 4,759.72 is: 7,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.89 : 11,804.97 = 4,759.72 : x
  2. Step 2: Convert to fraction form
    7,883.89/11,804.97 = 4,759.72/x
  3. Step 3: Cross multiply
    7,883.89x = 11,804.97 × 4,759.72
  4. Step 4: Simplify right side
    7,883.89x = 56,188,351.81
  5. Step 5: Solve for x
    x = 56,188,351.81/7,883.89
  6. Step 6: Final answer
    x = 7,126.98

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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.