Home / 5,171.00-7,135.83-2,813.18

Finding the Fourth Proportional to 5,171.00, 7,135.83 and 2,813.18

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Solution

The fourth proportional to 5,171.00, 7,135.83 and 2,813.18 is: 3,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.00 : 7,135.83 = 2,813.18 : x
  2. Step 2: Convert to fraction form
    5,171.00/7,135.83 = 2,813.18/x
  3. Step 3: Cross multiply
    5,171.00x = 7,135.83 × 2,813.18
  4. Step 4: Simplify right side
    5,171.00x = 20,074,338.56
  5. Step 5: Solve for x
    x = 20,074,338.56/5,171.00
  6. Step 6: Final answer
    x = 3,882.10

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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.