Home / 8,126.82-11,215.06-4,400.82

Finding the Fourth Proportional to 8,126.82, 11,215.06 and 4,400.82

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Solution

The fourth proportional to 8,126.82, 11,215.06 and 4,400.82 is: 6,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.82 : 11,215.06 = 4,400.82 : x
  2. Step 2: Convert to fraction form
    8,126.82/11,215.06 = 4,400.82/x
  3. Step 3: Cross multiply
    8,126.82x = 11,215.06 × 4,400.82
  4. Step 4: Simplify right side
    8,126.82x = 49,355,460.35
  5. Step 5: Solve for x
    x = 49,355,460.35/8,126.82
  6. Step 6: Final answer
    x = 6,073.16

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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.