Home / 5,465.28-7,542.09-3,107.43

Finding the Fourth Proportional to 5,465.28, 7,542.09 and 3,107.43

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Solution

The fourth proportional to 5,465.28, 7,542.09 and 3,107.43 is: 4,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.28 : 7,542.09 = 3,107.43 : x
  2. Step 2: Convert to fraction form
    5,465.28/7,542.09 = 3,107.43/x
  3. Step 3: Cross multiply
    5,465.28x = 7,542.09 × 3,107.43
  4. Step 4: Simplify right side
    5,465.28x = 23,436,516.73
  5. Step 5: Solve for x
    x = 23,436,516.73/5,465.28
  6. Step 6: Final answer
    x = 4,288.26

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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.