Home / 8,814.62-13,221.83-4,431.11

Finding the Fourth Proportional to 8,814.62, 13,221.83 and 4,431.11

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Solution

The fourth proportional to 8,814.62, 13,221.83 and 4,431.11 is: 6,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.62 : 13,221.83 = 4,431.11 : x
  2. Step 2: Convert to fraction form
    8,814.62/13,221.83 = 4,431.11/x
  3. Step 3: Cross multiply
    8,814.62x = 13,221.83 × 4,431.11
  4. Step 4: Simplify right side
    8,814.62x = 58,587,328.10
  5. Step 5: Solve for x
    x = 58,587,328.10/8,814.62
  6. Step 6: Final answer
    x = 6,646.61

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1.5x scale

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.