Home / 4,279.26-6,419.00-1,357.59

Finding the Fourth Proportional to 4,279.26, 6,419.00 and 1,357.59

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Solution

The fourth proportional to 4,279.26, 6,419.00 and 1,357.59 is: 2,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.26 : 6,419.00 = 1,357.59 : x
  2. Step 2: Convert to fraction form
    4,279.26/6,419.00 = 1,357.59/x
  3. Step 3: Cross multiply
    4,279.26x = 6,419.00 × 1,357.59
  4. Step 4: Simplify right side
    4,279.26x = 8,714,363.42
  5. Step 5: Solve for x
    x = 8,714,363.42/4,279.26
  6. Step 6: Final answer
    x = 2,036.42

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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.