Home / 4,023.79-5,554.38-3,912.82

Finding the Fourth Proportional to 4,023.79, 5,554.38 and 3,912.82

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Solution

The fourth proportional to 4,023.79, 5,554.38 and 3,912.82 is: 5,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,023.79 : 5,554.38 = 3,912.82 : x
  2. Step 2: Convert to fraction form
    4,023.79/5,554.38 = 3,912.82/x
  3. Step 3: Cross multiply
    4,023.79x = 5,554.38 × 3,912.82
  4. Step 4: Simplify right side
    4,023.79x = 21,733,289.15
  5. Step 5: Solve for x
    x = 21,733,289.15/4,023.79
  6. Step 6: Final answer
    x = 5,401.20

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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.