Home / 4,194.78-6,290.82-1,272.30

Finding the Fourth Proportional to 4,194.78, 6,290.82 and 1,272.30

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Solution

The fourth proportional to 4,194.78, 6,290.82 and 1,272.30 is: 1,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.78 : 6,290.82 = 1,272.30 : x
  2. Step 2: Convert to fraction form
    4,194.78/6,290.82 = 1,272.30/x
  3. Step 3: Cross multiply
    4,194.78x = 6,290.82 × 1,272.30
  4. Step 4: Simplify right side
    4,194.78x = 8,003,810.29
  5. Step 5: Solve for x
    x = 8,003,810.29/4,194.78
  6. Step 6: Final answer
    x = 1,908.04

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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.