Home / 4,145.19-6,217.92-1,372.02

Finding the Fourth Proportional to 4,145.19, 6,217.92 and 1,372.02

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Solution

The fourth proportional to 4,145.19, 6,217.92 and 1,372.02 is: 2,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.19 : 6,217.92 = 1,372.02 : x
  2. Step 2: Convert to fraction form
    4,145.19/6,217.92 = 1,372.02/x
  3. Step 3: Cross multiply
    4,145.19x = 6,217.92 × 1,372.02
  4. Step 4: Simplify right side
    4,145.19x = 8,531,110.60
  5. Step 5: Solve for x
    x = 8,531,110.60/4,145.19
  6. Step 6: Final answer
    x = 2,058.07

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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.