Home / 5,226.62-7,212.40-2,868.74

Finding the Fourth Proportional to 5,226.62, 7,212.40 and 2,868.74

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Solution

The fourth proportional to 5,226.62, 7,212.40 and 2,868.74 is: 3,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.62 : 7,212.40 = 2,868.74 : x
  2. Step 2: Convert to fraction form
    5,226.62/7,212.40 = 2,868.74/x
  3. Step 3: Cross multiply
    5,226.62x = 7,212.40 × 2,868.74
  4. Step 4: Simplify right side
    5,226.62x = 20,690,464.31
  5. Step 5: Solve for x
    x = 20,690,464.31/5,226.62
  6. Step 6: Final answer
    x = 3,958.67

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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.