Home / 5,226.12-7,212.24-2,868.35

Finding the Fourth Proportional to 5,226.12, 7,212.24 and 2,868.35

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Solution

The fourth proportional to 5,226.12, 7,212.24 and 2,868.35 is: 3,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.12 : 7,212.24 = 2,868.35 : x
  2. Step 2: Convert to fraction form
    5,226.12/7,212.24 = 2,868.35/x
  3. Step 3: Cross multiply
    5,226.12x = 7,212.24 × 2,868.35
  4. Step 4: Simplify right side
    5,226.12x = 20,687,192.54
  5. Step 5: Solve for x
    x = 20,687,192.54/5,226.12
  6. Step 6: Final answer
    x = 3,958.42

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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.