Home / 4,780.35-7,157.24-3,606.82

Finding the Fourth Proportional to 4,780.35, 7,157.24 and 3,606.82

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Solution

The fourth proportional to 4,780.35, 7,157.24 and 3,606.82 is: 5,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.35 : 7,157.24 = 3,606.82 : x
  2. Step 2: Convert to fraction form
    4,780.35/7,157.24 = 3,606.82/x
  3. Step 3: Cross multiply
    4,780.35x = 7,157.24 × 3,606.82
  4. Step 4: Simplify right side
    4,780.35x = 25,814,876.38
  5. Step 5: Solve for x
    x = 25,814,876.38/4,780.35
  6. Step 6: Final answer
    x = 5,400.21

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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.