Home / 5,226.78-7,207.34-3,953.54

Finding the Fourth Proportional to 5,226.78, 7,207.34 and 3,953.54

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Solution

The fourth proportional to 5,226.78, 7,207.34 and 3,953.54 is: 5,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.78 : 7,207.34 = 3,953.54 : x
  2. Step 2: Convert to fraction form
    5,226.78/7,207.34 = 3,953.54/x
  3. Step 3: Cross multiply
    5,226.78x = 7,207.34 × 3,953.54
  4. Step 4: Simplify right side
    5,226.78x = 28,494,506.98
  5. Step 5: Solve for x
    x = 28,494,506.98/5,226.78
  6. Step 6: Final answer
    x = 5,451.64

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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.