Home / 8,814.72-13,226.40-3,620.64

Finding the Fourth Proportional to 8,814.72, 13,226.40 and 3,620.64

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Solution

The fourth proportional to 8,814.72, 13,226.40 and 3,620.64 is: 5,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.72 : 13,226.40 = 3,620.64 : x
  2. Step 2: Convert to fraction form
    8,814.72/13,226.40 = 3,620.64/x
  3. Step 3: Cross multiply
    8,814.72x = 13,226.40 × 3,620.64
  4. Step 4: Simplify right side
    8,814.72x = 47,888,032.90
  5. Step 5: Solve for x
    x = 47,888,032.90/8,814.72
  6. Step 6: Final answer
    x = 5,432.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.