Home / 6,121.82-9,182.91-2,915.42

Finding the Fourth Proportional to 6,121.82, 9,182.91 and 2,915.42

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Solution

The fourth proportional to 6,121.82, 9,182.91 and 2,915.42 is: 4,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.82 : 9,182.91 = 2,915.42 : x
  2. Step 2: Convert to fraction form
    6,121.82/9,182.91 = 2,915.42/x
  3. Step 3: Cross multiply
    6,121.82x = 9,182.91 × 2,915.42
  4. Step 4: Simplify right side
    6,121.82x = 26,771,993.56
  5. Step 5: Solve for x
    x = 26,771,993.56/6,121.82
  6. Step 6: Final answer
    x = 4,373.21

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1.5x scale

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.