Home / 6,619.56-9,920.70-2,726.88

Finding the Fourth Proportional to 6,619.56, 9,920.70 and 2,726.88

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Solution

The fourth proportional to 6,619.56, 9,920.70 and 2,726.88 is: 4,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.56 : 9,920.70 = 2,726.88 : x
  2. Step 2: Convert to fraction form
    6,619.56/9,920.70 = 2,726.88/x
  3. Step 3: Cross multiply
    6,619.56x = 9,920.70 × 2,726.88
  4. Step 4: Simplify right side
    6,619.56x = 27,052,558.42
  5. Step 5: Solve for x
    x = 27,052,558.42/6,619.56
  6. Step 6: Final answer
    x = 4,086.76

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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.