Home / 4,745.21-6,548.42-2,620.68

Finding the Fourth Proportional to 4,745.21, 6,548.42 and 2,620.68

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Solution

The fourth proportional to 4,745.21, 6,548.42 and 2,620.68 is: 3,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.21 : 6,548.42 = 2,620.68 : x
  2. Step 2: Convert to fraction form
    4,745.21/6,548.42 = 2,620.68/x
  3. Step 3: Cross multiply
    4,745.21x = 6,548.42 × 2,620.68
  4. Step 4: Simplify right side
    4,745.21x = 17,161,319.88
  5. Step 5: Solve for x
    x = 17,161,319.88/4,745.21
  6. Step 6: Final answer
    x = 3,616.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.