Home / 10,391.60-15,594.22-3,817.84

Finding the Fourth Proportional to 10,391.60, 15,594.22 and 3,817.84

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Solution

The fourth proportional to 10,391.60, 15,594.22 and 3,817.84 is: 5,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.60 : 15,594.22 = 3,817.84 : x
  2. Step 2: Convert to fraction form
    10,391.60/15,594.22 = 3,817.84/x
  3. Step 3: Cross multiply
    10,391.60x = 15,594.22 × 3,817.84
  4. Step 4: Simplify right side
    10,391.60x = 59,536,236.88
  5. Step 5: Solve for x
    x = 59,536,236.88/10,391.60
  6. Step 6: Final answer
    x = 5,729.27

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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.