Home / 5,729.18-7,906.34-3,491.15

Finding the Fourth Proportional to 5,729.18, 7,906.34 and 3,491.15

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Solution

The fourth proportional to 5,729.18, 7,906.34 and 3,491.15 is: 4,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.18 : 7,906.34 = 3,491.15 : x
  2. Step 2: Convert to fraction form
    5,729.18/7,906.34 = 3,491.15/x
  3. Step 3: Cross multiply
    5,729.18x = 7,906.34 × 3,491.15
  4. Step 4: Simplify right side
    5,729.18x = 27,602,188.09
  5. Step 5: Solve for x
    x = 27,602,188.09/5,729.18
  6. Step 6: Final answer
    x = 4,817.83

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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.