Home / 4,134.48-6,201.72-1,212.80

Finding the Fourth Proportional to 4,134.48, 6,201.72 and 1,212.80

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Solution

The fourth proportional to 4,134.48, 6,201.72 and 1,212.80 is: 1,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.48 : 6,201.72 = 1,212.80 : x
  2. Step 2: Convert to fraction form
    4,134.48/6,201.72 = 1,212.80/x
  3. Step 3: Cross multiply
    4,134.48x = 6,201.72 × 1,212.80
  4. Step 4: Simplify right side
    4,134.48x = 7,521,446.02
  5. Step 5: Solve for x
    x = 7,521,446.02/4,134.48
  6. Step 6: Final answer
    x = 1,819.20

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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.