Home / 5,679.20-8,497.20-3,735.20

Finding the Fourth Proportional to 5,679.20, 8,497.20 and 3,735.20

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Solution

The fourth proportional to 5,679.20, 8,497.20 and 3,735.20 is: 5,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.20 : 8,497.20 = 3,735.20 : x
  2. Step 2: Convert to fraction form
    5,679.20/8,497.20 = 3,735.20/x
  3. Step 3: Cross multiply
    5,679.20x = 8,497.20 × 3,735.20
  4. Step 4: Simplify right side
    5,679.20x = 31,738,741.44
  5. Step 5: Solve for x
    x = 31,738,741.44/5,679.20
  6. Step 6: Final answer
    x = 5,588.59

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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.