Home / 5,348.21-8,022.87-1,400.09

Finding the Fourth Proportional to 5,348.21, 8,022.87 and 1,400.09

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Solution

The fourth proportional to 5,348.21, 8,022.87 and 1,400.09 is: 2,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.21 : 8,022.87 = 1,400.09 : x
  2. Step 2: Convert to fraction form
    5,348.21/8,022.87 = 1,400.09/x
  3. Step 3: Cross multiply
    5,348.21x = 8,022.87 × 1,400.09
  4. Step 4: Simplify right side
    5,348.21x = 11,232,699.94
  5. Step 5: Solve for x
    x = 11,232,699.94/5,348.21
  6. Step 6: Final answer
    x = 2,100.27

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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.