Home / 8,226.78-11,352.90-4,500.78

Finding the Fourth Proportional to 8,226.78, 11,352.90 and 4,500.78

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Solution

The fourth proportional to 8,226.78, 11,352.90 and 4,500.78 is: 6,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.78 : 11,352.90 = 4,500.78 : x
  2. Step 2: Convert to fraction form
    8,226.78/11,352.90 = 4,500.78/x
  3. Step 3: Cross multiply
    8,226.78x = 11,352.90 × 4,500.78
  4. Step 4: Simplify right side
    8,226.78x = 51,096,905.26
  5. Step 5: Solve for x
    x = 51,096,905.26/8,226.78
  6. Step 6: Final answer
    x = 6,211.05

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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.