Home / 6,871.06-9,481.92-3,887.02

Finding the Fourth Proportional to 6,871.06, 9,481.92 and 3,887.02

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Solution

The fourth proportional to 6,871.06, 9,481.92 and 3,887.02 is: 5,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.06 : 9,481.92 = 3,887.02 : x
  2. Step 2: Convert to fraction form
    6,871.06/9,481.92 = 3,887.02/x
  3. Step 3: Cross multiply
    6,871.06x = 9,481.92 × 3,887.02
  4. Step 4: Simplify right side
    6,871.06x = 36,856,412.68
  5. Step 5: Solve for x
    x = 36,856,412.68/6,871.06
  6. Step 6: Final answer
    x = 5,364.01

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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.