Home / 5,226.20-7,212-2,868.26

Finding the Fourth Proportional to 5,226.20, 7,212 and 2,868.26

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Solution

The fourth proportional to 5,226.20, 7,212 and 2,868.26 is: 3,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.20 : 7,212 = 2,868.26 : x
  2. Step 2: Convert to fraction form
    5,226.20/7,212 = 2,868.26/x
  3. Step 3: Cross multiply
    5,226.20x = 7,212 × 2,868.26
  4. Step 4: Simplify right side
    5,226.20x = 20,685,891.12
  5. Step 5: Solve for x
    x = 20,685,891.12/5,226.20
  6. Step 6: Final answer
    x = 3,958.11

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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.