Home / 8,814.41-13,221.92-4,429.47

Finding the Fourth Proportional to 8,814.41, 13,221.92 and 4,429.47

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Solution

The fourth proportional to 8,814.41, 13,221.92 and 4,429.47 is: 6,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.41 : 13,221.92 = 4,429.47 : x
  2. Step 2: Convert to fraction form
    8,814.41/13,221.92 = 4,429.47/x
  3. Step 3: Cross multiply
    8,814.41x = 13,221.92 × 4,429.47
  4. Step 4: Simplify right side
    8,814.41x = 58,566,097.98
  5. Step 5: Solve for x
    x = 58,566,097.98/8,814.41
  6. Step 6: Final answer
    x = 6,644.36

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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.