Home / 4,107.34-5,661.46-3,209.51

Finding the Fourth Proportional to 4,107.34, 5,661.46 and 3,209.51

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Solution

The fourth proportional to 4,107.34, 5,661.46 and 3,209.51 is: 4,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.34 : 5,661.46 = 3,209.51 : x
  2. Step 2: Convert to fraction form
    4,107.34/5,661.46 = 3,209.51/x
  3. Step 3: Cross multiply
    4,107.34x = 5,661.46 × 3,209.51
  4. Step 4: Simplify right side
    4,107.34x = 18,170,512.48
  5. Step 5: Solve for x
    x = 18,170,512.48/4,107.34
  6. Step 6: Final answer
    x = 4,423.91

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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.