Home / 8,126.29-11,214.21-4,400.29

Finding the Fourth Proportional to 8,126.29, 11,214.21 and 4,400.29

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Solution

The fourth proportional to 8,126.29, 11,214.21 and 4,400.29 is: 6,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.29 : 11,214.21 = 4,400.29 : x
  2. Step 2: Convert to fraction form
    8,126.29/11,214.21 = 4,400.29/x
  3. Step 3: Cross multiply
    8,126.29x = 11,214.21 × 4,400.29
  4. Step 4: Simplify right side
    8,126.29x = 49,345,759.09
  5. Step 5: Solve for x
    x = 49,345,759.09/8,126.29
  6. Step 6: Final answer
    x = 6,072.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.