Home / 4,140.94-6,212.76-1,219.27

Finding the Fourth Proportional to 4,140.94, 6,212.76 and 1,219.27

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Solution

The fourth proportional to 4,140.94, 6,212.76 and 1,219.27 is: 1,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.94 : 6,212.76 = 1,219.27 : x
  2. Step 2: Convert to fraction form
    4,140.94/6,212.76 = 1,219.27/x
  3. Step 3: Cross multiply
    4,140.94x = 6,212.76 × 1,219.27
  4. Step 4: Simplify right side
    4,140.94x = 7,575,031.89
  5. Step 5: Solve for x
    x = 7,575,031.89/4,140.94
  6. Step 6: Final answer
    x = 1,829.30

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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.