Home / 4,145.85-6,218.15-1,372.53

Finding the Fourth Proportional to 4,145.85, 6,218.15 and 1,372.53

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Solution

The fourth proportional to 4,145.85, 6,218.15 and 1,372.53 is: 2,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.85 : 6,218.15 = 1,372.53 : x
  2. Step 2: Convert to fraction form
    4,145.85/6,218.15 = 1,372.53/x
  3. Step 3: Cross multiply
    4,145.85x = 6,218.15 × 1,372.53
  4. Step 4: Simplify right side
    4,145.85x = 8,534,590.56
  5. Step 5: Solve for x
    x = 8,534,590.56/4,145.85
  6. Step 6: Final answer
    x = 2,058.59

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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.