Home / 4,109.76-5,670.99-3,272.58

Finding the Fourth Proportional to 4,109.76, 5,670.99 and 3,272.58

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Solution

The fourth proportional to 4,109.76, 5,670.99 and 3,272.58 is: 4,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.76 : 5,670.99 = 3,272.58 : x
  2. Step 2: Convert to fraction form
    4,109.76/5,670.99 = 3,272.58/x
  3. Step 3: Cross multiply
    4,109.76x = 5,670.99 × 3,272.58
  4. Step 4: Simplify right side
    4,109.76x = 18,558,768.45
  5. Step 5: Solve for x
    x = 18,558,768.45/4,109.76
  6. Step 6: Final answer
    x = 4,515.78

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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.