Home / 4,101.76-5,660.32-3,771.52

Finding the Fourth Proportional to 4,101.76, 5,660.32 and 3,771.52

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Solution

The fourth proportional to 4,101.76, 5,660.32 and 3,771.52 is: 5,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.76 : 5,660.32 = 3,771.52 : x
  2. Step 2: Convert to fraction form
    4,101.76/5,660.32 = 3,771.52/x
  3. Step 3: Cross multiply
    4,101.76x = 5,660.32 × 3,771.52
  4. Step 4: Simplify right side
    4,101.76x = 21,348,010.09
  5. Step 5: Solve for x
    x = 21,348,010.09/4,101.76
  6. Step 6: Final answer
    x = 5,204.60

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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.