Home / 6,279.81-9,419.70-2,579.43

Finding the Fourth Proportional to 6,279.81, 9,419.70 and 2,579.43

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Solution

The fourth proportional to 6,279.81, 9,419.70 and 2,579.43 is: 3,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.81 : 9,419.70 = 2,579.43 : x
  2. Step 2: Convert to fraction form
    6,279.81/9,419.70 = 2,579.43/x
  3. Step 3: Cross multiply
    6,279.81x = 9,419.70 × 2,579.43
  4. Step 4: Simplify right side
    6,279.81x = 24,297,456.77
  5. Step 5: Solve for x
    x = 24,297,456.77/6,279.81
  6. Step 6: Final answer
    x = 3,869.14

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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.