Home / 5,928-8,179.56-3,830.91

Finding the Fourth Proportional to 5,928, 8,179.56 and 3,830.91

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Solution

The fourth proportional to 5,928, 8,179.56 and 3,830.91 is: 5,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928 : 8,179.56 = 3,830.91 : x
  2. Step 2: Convert to fraction form
    5,928/8,179.56 = 3,830.91/x
  3. Step 3: Cross multiply
    5,928x = 8,179.56 × 3,830.91
  4. Step 4: Simplify right side
    5,928x = 31,335,158.20
  5. Step 5: Solve for x
    x = 31,335,158.20/5,928
  6. Step 6: Final answer
    x = 5,285.96

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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.