Home / 4,279.69-6,414.74-1,816.58

Finding the Fourth Proportional to 4,279.69, 6,414.74 and 1,816.58

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Solution

The fourth proportional to 4,279.69, 6,414.74 and 1,816.58 is: 2,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.69 : 6,414.74 = 1,816.58 : x
  2. Step 2: Convert to fraction form
    4,279.69/6,414.74 = 1,816.58/x
  3. Step 3: Cross multiply
    4,279.69x = 6,414.74 × 1,816.58
  4. Step 4: Simplify right side
    4,279.69x = 11,652,876.29
  5. Step 5: Solve for x
    x = 11,652,876.29/4,279.69
  6. Step 6: Final answer
    x = 2,722.83

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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.