Home / 4,143.79-6,216.00-1,372.42

Finding the Fourth Proportional to 4,143.79, 6,216.00 and 1,372.42

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Solution

The fourth proportional to 4,143.79, 6,216.00 and 1,372.42 is: 2,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.79 : 6,216.00 = 1,372.42 : x
  2. Step 2: Convert to fraction form
    4,143.79/6,216.00 = 1,372.42/x
  3. Step 3: Cross multiply
    4,143.79x = 6,216.00 × 1,372.42
  4. Step 4: Simplify right side
    4,143.79x = 8,530,965.34
  5. Step 5: Solve for x
    x = 8,530,965.34/4,143.79
  6. Step 6: Final answer
    x = 2,058.74

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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.