Home / 4,193.76-6,290.84-1,272.09

Finding the Fourth Proportional to 4,193.76, 6,290.84 and 1,272.09

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Solution

The fourth proportional to 4,193.76, 6,290.84 and 1,272.09 is: 1,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.76 : 6,290.84 = 1,272.09 : x
  2. Step 2: Convert to fraction form
    4,193.76/6,290.84 = 1,272.09/x
  3. Step 3: Cross multiply
    4,193.76x = 6,290.84 × 1,272.09
  4. Step 4: Simplify right side
    4,193.76x = 8,002,508.30
  5. Step 5: Solve for x
    x = 8,002,508.30/4,193.76
  6. Step 6: Final answer
    x = 1,908.19

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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.