Home / 5,441.82-7,502.56-3,928.11

Finding the Fourth Proportional to 5,441.82, 7,502.56 and 3,928.11

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Solution

The fourth proportional to 5,441.82, 7,502.56 and 3,928.11 is: 5,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.82 : 7,502.56 = 3,928.11 : x
  2. Step 2: Convert to fraction form
    5,441.82/7,502.56 = 3,928.11/x
  3. Step 3: Cross multiply
    5,441.82x = 7,502.56 × 3,928.11
  4. Step 4: Simplify right side
    5,441.82x = 29,470,880.96
  5. Step 5: Solve for x
    x = 29,470,880.96/5,441.82
  6. Step 6: Final answer
    x = 5,415.63

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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.