Home / 5,150.54-7,107.29-2,912.51

Finding the Fourth Proportional to 5,150.54, 7,107.29 and 2,912.51

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Solution

The fourth proportional to 5,150.54, 7,107.29 and 2,912.51 is: 4,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.54 : 7,107.29 = 2,912.51 : x
  2. Step 2: Convert to fraction form
    5,150.54/7,107.29 = 2,912.51/x
  3. Step 3: Cross multiply
    5,150.54x = 7,107.29 × 2,912.51
  4. Step 4: Simplify right side
    5,150.54x = 20,700,043.73
  5. Step 5: Solve for x
    x = 20,700,043.73/5,150.54
  6. Step 6: Final answer
    x = 4,019.01

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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.