Home / 5,103.66-7,656.77-2,472.42

Finding the Fourth Proportional to 5,103.66, 7,656.77 and 2,472.42

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Solution

The fourth proportional to 5,103.66, 7,656.77 and 2,472.42 is: 3,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.66 : 7,656.77 = 2,472.42 : x
  2. Step 2: Convert to fraction form
    5,103.66/7,656.77 = 2,472.42/x
  3. Step 3: Cross multiply
    5,103.66x = 7,656.77 × 2,472.42
  4. Step 4: Simplify right side
    5,103.66x = 18,930,738.92
  5. Step 5: Solve for x
    x = 18,930,738.92/5,103.66
  6. Step 6: Final answer
    x = 3,709.25

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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.