Home / 4,279.44-6,419.38-1,357.48

Finding the Fourth Proportional to 4,279.44, 6,419.38 and 1,357.48

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Solution

The fourth proportional to 4,279.44, 6,419.38 and 1,357.48 is: 2,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.44 : 6,419.38 = 1,357.48 : x
  2. Step 2: Convert to fraction form
    4,279.44/6,419.38 = 1,357.48/x
  3. Step 3: Cross multiply
    4,279.44x = 6,419.38 × 1,357.48
  4. Step 4: Simplify right side
    4,279.44x = 8,714,179.96
  5. Step 5: Solve for x
    x = 8,714,179.96/4,279.44
  6. Step 6: Final answer
    x = 2,036.29

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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.