Home / 4,285.26-6,427.89-1,819.74

Finding the Fourth Proportional to 4,285.26, 6,427.89 and 1,819.74

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Solution

The fourth proportional to 4,285.26, 6,427.89 and 1,819.74 is: 2,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.26 : 6,427.89 = 1,819.74 : x
  2. Step 2: Convert to fraction form
    4,285.26/6,427.89 = 1,819.74/x
  3. Step 3: Cross multiply
    4,285.26x = 6,427.89 × 1,819.74
  4. Step 4: Simplify right side
    4,285.26x = 11,697,088.55
  5. Step 5: Solve for x
    x = 11,697,088.55/4,285.26
  6. Step 6: Final answer
    x = 2,729.61

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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.