Home / 9,263.43-13,896.97-3,420.09

Finding the Fourth Proportional to 9,263.43, 13,896.97 and 3,420.09

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Solution

The fourth proportional to 9,263.43, 13,896.97 and 3,420.09 is: 5,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.43 : 13,896.97 = 3,420.09 : x
  2. Step 2: Convert to fraction form
    9,263.43/13,896.97 = 3,420.09/x
  3. Step 3: Cross multiply
    9,263.43x = 13,896.97 × 3,420.09
  4. Step 4: Simplify right side
    9,263.43x = 47,528,879.58
  5. Step 5: Solve for x
    x = 47,528,879.58/9,263.43
  6. Step 6: Final answer
    x = 5,130.81

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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.