Home / 6,279.70-9,419.26-2,581.02

Finding the Fourth Proportional to 6,279.70, 9,419.26 and 2,581.02

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Solution

The fourth proportional to 6,279.70, 9,419.26 and 2,581.02 is: 3,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.70 : 9,419.26 = 2,581.02 : x
  2. Step 2: Convert to fraction form
    6,279.70/9,419.26 = 2,581.02/x
  3. Step 3: Cross multiply
    6,279.70x = 9,419.26 × 2,581.02
  4. Step 4: Simplify right side
    6,279.70x = 24,311,298.45
  5. Step 5: Solve for x
    x = 24,311,298.45/6,279.70
  6. Step 6: Final answer
    x = 3,871.41

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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.