Home / 10,540.44-15,809-3,520.58

Finding the Fourth Proportional to 10,540.44, 15,809 and 3,520.58

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Solution

The fourth proportional to 10,540.44, 15,809 and 3,520.58 is: 5,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.44 : 15,809 = 3,520.58 : x
  2. Step 2: Convert to fraction form
    10,540.44/15,809 = 3,520.58/x
  3. Step 3: Cross multiply
    10,540.44x = 15,809 × 3,520.58
  4. Step 4: Simplify right side
    10,540.44x = 55,656,849.22
  5. Step 5: Solve for x
    x = 55,656,849.22/10,540.44
  6. Step 6: Final answer
    x = 5,280.32

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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.