Home / 5,970-8,238.60-3,317.85

Finding the Fourth Proportional to 5,970, 8,238.60 and 3,317.85

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Solution

The fourth proportional to 5,970, 8,238.60 and 3,317.85 is: 4,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970 : 8,238.60 = 3,317.85 : x
  2. Step 2: Convert to fraction form
    5,970/8,238.60 = 3,317.85/x
  3. Step 3: Cross multiply
    5,970x = 8,238.60 × 3,317.85
  4. Step 4: Simplify right side
    5,970x = 27,334,439.01
  5. Step 5: Solve for x
    x = 27,334,439.01/5,970
  6. Step 6: Final answer
    x = 4,578.63

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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.