Home / 9,453.21-14,179.86-2,879.39

Finding the Fourth Proportional to 9,453.21, 14,179.86 and 2,879.39

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Solution

The fourth proportional to 9,453.21, 14,179.86 and 2,879.39 is: 4,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.21 : 14,179.86 = 2,879.39 : x
  2. Step 2: Convert to fraction form
    9,453.21/14,179.86 = 2,879.39/x
  3. Step 3: Cross multiply
    9,453.21x = 14,179.86 × 2,879.39
  4. Step 4: Simplify right side
    9,453.21x = 40,829,276.19
  5. Step 5: Solve for x
    x = 40,829,276.19/9,453.21
  6. Step 6: Final answer
    x = 4,319.09

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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.