Home / 5,372.24-8,057.40-3,418.64

Finding the Fourth Proportional to 5,372.24, 8,057.40 and 3,418.64

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Solution

The fourth proportional to 5,372.24, 8,057.40 and 3,418.64 is: 5,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.24 : 8,057.40 = 3,418.64 : x
  2. Step 2: Convert to fraction form
    5,372.24/8,057.40 = 3,418.64/x
  3. Step 3: Cross multiply
    5,372.24x = 8,057.40 × 3,418.64
  4. Step 4: Simplify right side
    5,372.24x = 27,545,349.94
  5. Step 5: Solve for x
    x = 27,545,349.94/5,372.24
  6. Step 6: Final answer
    x = 5,127.35

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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.