Home / 5,465.09-7,542.46-3,107.58

Finding the Fourth Proportional to 5,465.09, 7,542.46 and 3,107.58

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Solution

The fourth proportional to 5,465.09, 7,542.46 and 3,107.58 is: 4,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.09 : 7,542.46 = 3,107.58 : x
  2. Step 2: Convert to fraction form
    5,465.09/7,542.46 = 3,107.58/x
  3. Step 3: Cross multiply
    5,465.09x = 7,542.46 × 3,107.58
  4. Step 4: Simplify right side
    5,465.09x = 23,438,797.85
  5. Step 5: Solve for x
    x = 23,438,797.85/5,465.09
  6. Step 6: Final answer
    x = 4,288.82

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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.