Home / 4,947.36-7,421.27-2,754.44

Finding the Fourth Proportional to 4,947.36, 7,421.27 and 2,754.44

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Solution

The fourth proportional to 4,947.36, 7,421.27 and 2,754.44 is: 4,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.36 : 7,421.27 = 2,754.44 : x
  2. Step 2: Convert to fraction form
    4,947.36/7,421.27 = 2,754.44/x
  3. Step 3: Cross multiply
    4,947.36x = 7,421.27 × 2,754.44
  4. Step 4: Simplify right side
    4,947.36x = 20,441,392.06
  5. Step 5: Solve for x
    x = 20,441,392.06/4,947.36
  6. Step 6: Final answer
    x = 4,131.78

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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.