Home / 5,226.46-7,212.57-2,868.55

Finding the Fourth Proportional to 5,226.46, 7,212.57 and 2,868.55

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Solution

The fourth proportional to 5,226.46, 7,212.57 and 2,868.55 is: 3,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.46 : 7,212.57 = 2,868.55 : x
  2. Step 2: Convert to fraction form
    5,226.46/7,212.57 = 2,868.55/x
  3. Step 3: Cross multiply
    5,226.46x = 7,212.57 × 2,868.55
  4. Step 4: Simplify right side
    5,226.46x = 20,689,617.67
  5. Step 5: Solve for x
    x = 20,689,617.67/5,226.46
  6. Step 6: Final answer
    x = 3,958.63

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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.