Home / 4,279.14-6,418.67-2,305.70

Finding the Fourth Proportional to 4,279.14, 6,418.67 and 2,305.70

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Solution

The fourth proportional to 4,279.14, 6,418.67 and 2,305.70 is: 3,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.14 : 6,418.67 = 2,305.70 : x
  2. Step 2: Convert to fraction form
    4,279.14/6,418.67 = 2,305.70/x
  3. Step 3: Cross multiply
    4,279.14x = 6,418.67 × 2,305.70
  4. Step 4: Simplify right side
    4,279.14x = 14,799,483.80
  5. Step 5: Solve for x
    x = 14,799,483.80/4,279.14
  6. Step 6: Final answer
    x = 3,458.52

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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.