Home / 4,279.04-6,418.56-2,198.72

Finding the Fourth Proportional to 4,279.04, 6,418.56 and 2,198.72

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Solution

The fourth proportional to 4,279.04, 6,418.56 and 2,198.72 is: 3,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.04 : 6,418.56 = 2,198.72 : x
  2. Step 2: Convert to fraction form
    4,279.04/6,418.56 = 2,198.72/x
  3. Step 3: Cross multiply
    4,279.04x = 6,418.56 × 2,198.72
  4. Step 4: Simplify right side
    4,279.04x = 14,112,616.24
  5. Step 5: Solve for x
    x = 14,112,616.24/4,279.04
  6. Step 6: Final answer
    x = 3,298.08

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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.