Home / 5,150.63-7,107.57-3,160.77

Finding the Fourth Proportional to 5,150.63, 7,107.57 and 3,160.77

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Solution

The fourth proportional to 5,150.63, 7,107.57 and 3,160.77 is: 4,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.63 : 7,107.57 = 3,160.77 : x
  2. Step 2: Convert to fraction form
    5,150.63/7,107.57 = 3,160.77/x
  3. Step 3: Cross multiply
    5,150.63x = 7,107.57 × 3,160.77
  4. Step 4: Simplify right side
    5,150.63x = 22,465,394.03
  5. Step 5: Solve for x
    x = 22,465,394.03/5,150.63
  6. Step 6: Final answer
    x = 4,361.68

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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.