Home / 4,193.48-6,291.14-1,272.02

Finding the Fourth Proportional to 4,193.48, 6,291.14 and 1,272.02

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Solution

The fourth proportional to 4,193.48, 6,291.14 and 1,272.02 is: 1,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.48 : 6,291.14 = 1,272.02 : x
  2. Step 2: Convert to fraction form
    4,193.48/6,291.14 = 1,272.02/x
  3. Step 3: Cross multiply
    4,193.48x = 6,291.14 × 1,272.02
  4. Step 4: Simplify right side
    4,193.48x = 8,002,418.09
  5. Step 5: Solve for x
    x = 8,002,418.09/4,193.48
  6. Step 6: Final answer
    x = 1,908.30

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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.