Home / 8,735.18-13,098.45-3,188.30

Finding the Fourth Proportional to 8,735.18, 13,098.45 and 3,188.30

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Solution

The fourth proportional to 8,735.18, 13,098.45 and 3,188.30 is: 4,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.18 : 13,098.45 = 3,188.30 : x
  2. Step 2: Convert to fraction form
    8,735.18/13,098.45 = 3,188.30/x
  3. Step 3: Cross multiply
    8,735.18x = 13,098.45 × 3,188.30
  4. Step 4: Simplify right side
    8,735.18x = 41,761,788.14
  5. Step 5: Solve for x
    x = 41,761,788.14/8,735.18
  6. Step 6: Final answer
    x = 4,780.87

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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.