Home / 6,162.81-8,507.49-3,927.75

Finding the Fourth Proportional to 6,162.81, 8,507.49 and 3,927.75

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Solution

The fourth proportional to 6,162.81, 8,507.49 and 3,927.75 is: 5,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162.81 : 8,507.49 = 3,927.75 : x
  2. Step 2: Convert to fraction form
    6,162.81/8,507.49 = 3,927.75/x
  3. Step 3: Cross multiply
    6,162.81x = 8,507.49 × 3,927.75
  4. Step 4: Simplify right side
    6,162.81x = 33,415,293.85
  5. Step 5: Solve for x
    x = 33,415,293.85/6,162.81
  6. Step 6: Final answer
    x = 5,422.09

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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.