Home / 5,177.96-7,143.36-3,453.80

Finding the Fourth Proportional to 5,177.96, 7,143.36 and 3,453.80

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Solution

The fourth proportional to 5,177.96, 7,143.36 and 3,453.80 is: 4,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.96 : 7,143.36 = 3,453.80 : x
  2. Step 2: Convert to fraction form
    5,177.96/7,143.36 = 3,453.80/x
  3. Step 3: Cross multiply
    5,177.96x = 7,143.36 × 3,453.80
  4. Step 4: Simplify right side
    5,177.96x = 24,671,736.77
  5. Step 5: Solve for x
    x = 24,671,736.77/5,177.96
  6. Step 6: Final answer
    x = 4,764.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.