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Finding the Fourth Proportional to 6,804.56, 10,206.84 and 2,187.92

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Solution

The fourth proportional to 6,804.56, 10,206.84 and 2,187.92 is: 3,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.56 : 10,206.84 = 2,187.92 : x
  2. Step 2: Convert to fraction form
    6,804.56/10,206.84 = 2,187.92/x
  3. Step 3: Cross multiply
    6,804.56x = 10,206.84 × 2,187.92
  4. Step 4: Simplify right side
    6,804.56x = 22,331,749.37
  5. Step 5: Solve for x
    x = 22,331,749.37/6,804.56
  6. Step 6: Final answer
    x = 3,281.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.