Home / 4,721.21-6,518.03-3,268.68

Finding the Fourth Proportional to 4,721.21, 6,518.03 and 3,268.68

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Solution

The fourth proportional to 4,721.21, 6,518.03 and 3,268.68 is: 4,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.21 : 6,518.03 = 3,268.68 : x
  2. Step 2: Convert to fraction form
    4,721.21/6,518.03 = 3,268.68/x
  3. Step 3: Cross multiply
    4,721.21x = 6,518.03 × 3,268.68
  4. Step 4: Simplify right side
    4,721.21x = 21,305,354.30
  5. Step 5: Solve for x
    x = 21,305,354.30/4,721.21
  6. Step 6: Final answer
    x = 4,512.69

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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.