Home / 6,177.22-8,518.80-3,936.76

Finding the Fourth Proportional to 6,177.22, 8,518.80 and 3,936.76

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Solution

The fourth proportional to 6,177.22, 8,518.80 and 3,936.76 is: 5,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,177.22 : 8,518.80 = 3,936.76 : x
  2. Step 2: Convert to fraction form
    6,177.22/8,518.80 = 3,936.76/x
  3. Step 3: Cross multiply
    6,177.22x = 8,518.80 × 3,936.76
  4. Step 4: Simplify right side
    6,177.22x = 33,536,471.09
  5. Step 5: Solve for x
    x = 33,536,471.09/6,177.22
  6. Step 6: Final answer
    x = 5,429.06

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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.