Home / 6,279.26-9,419.17-2,119.30

Finding the Fourth Proportional to 6,279.26, 9,419.17 and 2,119.30

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Solution

The fourth proportional to 6,279.26, 9,419.17 and 2,119.30 is: 3,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.26 : 9,419.17 = 2,119.30 : x
  2. Step 2: Convert to fraction form
    6,279.26/9,419.17 = 2,119.30/x
  3. Step 3: Cross multiply
    6,279.26x = 9,419.17 × 2,119.30
  4. Step 4: Simplify right side
    6,279.26x = 19,961,999.89
  5. Step 5: Solve for x
    x = 19,961,999.89/6,279.26
  6. Step 6: Final answer
    x = 3,179.04

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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.