Home / 4,760.57-7,135.29-2,912.56

Finding the Fourth Proportional to 4,760.57, 7,135.29 and 2,912.56

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Solution

The fourth proportional to 4,760.57, 7,135.29 and 2,912.56 is: 4,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.57 : 7,135.29 = 2,912.56 : x
  2. Step 2: Convert to fraction form
    4,760.57/7,135.29 = 2,912.56/x
  3. Step 3: Cross multiply
    4,760.57x = 7,135.29 × 2,912.56
  4. Step 4: Simplify right side
    4,760.57x = 20,781,942.40
  5. Step 5: Solve for x
    x = 20,781,942.40/4,760.57
  6. Step 6: Final answer
    x = 4,365.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.