Home / 9,170.12-13,747.29-3,900.31

Finding the Fourth Proportional to 9,170.12, 13,747.29 and 3,900.31

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Solution

The fourth proportional to 9,170.12, 13,747.29 and 3,900.31 is: 5,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.12 : 13,747.29 = 3,900.31 : x
  2. Step 2: Convert to fraction form
    9,170.12/13,747.29 = 3,900.31/x
  3. Step 3: Cross multiply
    9,170.12x = 13,747.29 × 3,900.31
  4. Step 4: Simplify right side
    9,170.12x = 53,618,665.60
  5. Step 5: Solve for x
    x = 53,618,665.60/9,170.12
  6. Step 6: Final answer
    x = 5,847.10

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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.