Home / 9,121.24-12,586.62-5,971.96

Finding the Fourth Proportional to 9,121.24, 12,586.62 and 5,971.96

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Solution

The fourth proportional to 9,121.24, 12,586.62 and 5,971.96 is: 8,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.24 : 12,586.62 = 5,971.96 : x
  2. Step 2: Convert to fraction form
    9,121.24/12,586.62 = 5,971.96/x
  3. Step 3: Cross multiply
    9,121.24x = 12,586.62 × 5,971.96
  4. Step 4: Simplify right side
    9,121.24x = 75,166,791.18
  5. Step 5: Solve for x
    x = 75,166,791.18/9,121.24
  6. Step 6: Final answer
    x = 8,240.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.