Home / 4,272.35-6,408.59-1,352.70

Finding the Fourth Proportional to 4,272.35, 6,408.59 and 1,352.70

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Solution

The fourth proportional to 4,272.35, 6,408.59 and 1,352.70 is: 2,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.35 : 6,408.59 = 1,352.70 : x
  2. Step 2: Convert to fraction form
    4,272.35/6,408.59 = 1,352.70/x
  3. Step 3: Cross multiply
    4,272.35x = 6,408.59 × 1,352.70
  4. Step 4: Simplify right side
    4,272.35x = 8,668,892.93
  5. Step 5: Solve for x
    x = 8,668,892.93/4,272.35
  6. Step 6: Final answer
    x = 2,029.07

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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.