Home / 4,279.32-6,418.34-3,553.56

Finding the Fourth Proportional to 4,279.32, 6,418.34 and 3,553.56

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Solution

The fourth proportional to 4,279.32, 6,418.34 and 3,553.56 is: 5,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.32 : 6,418.34 = 3,553.56 : x
  2. Step 2: Convert to fraction form
    4,279.32/6,418.34 = 3,553.56/x
  3. Step 3: Cross multiply
    4,279.32x = 6,418.34 × 3,553.56
  4. Step 4: Simplify right side
    4,279.32x = 22,807,956.29
  5. Step 5: Solve for x
    x = 22,807,956.29/4,279.32
  6. Step 6: Final answer
    x = 5,329.81

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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.