Home / 4,279.13-6,418.68-1,357.66

Finding the Fourth Proportional to 4,279.13, 6,418.68 and 1,357.66

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Solution

The fourth proportional to 4,279.13, 6,418.68 and 1,357.66 is: 2,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.13 : 6,418.68 = 1,357.66 : x
  2. Step 2: Convert to fraction form
    4,279.13/6,418.68 = 1,357.66/x
  3. Step 3: Cross multiply
    4,279.13x = 6,418.68 × 1,357.66
  4. Step 4: Simplify right side
    4,279.13x = 8,714,388.02
  5. Step 5: Solve for x
    x = 8,714,388.02/4,279.13
  6. Step 6: Final answer
    x = 2,036.49

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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.