Home / 9,156.16-13,735.76-3,231.37

Finding the Fourth Proportional to 9,156.16, 13,735.76 and 3,231.37

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Solution

The fourth proportional to 9,156.16, 13,735.76 and 3,231.37 is: 4,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.16 : 13,735.76 = 3,231.37 : x
  2. Step 2: Convert to fraction form
    9,156.16/13,735.76 = 3,231.37/x
  3. Step 3: Cross multiply
    9,156.16x = 13,735.76 × 3,231.37
  4. Step 4: Simplify right side
    9,156.16x = 44,385,322.79
  5. Step 5: Solve for x
    x = 44,385,322.79/9,156.16
  6. Step 6: Final answer
    x = 4,847.59

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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.