Home / 7,954.26-11,931.42-2,760.14

Finding the Fourth Proportional to 7,954.26, 11,931.42 and 2,760.14

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Solution

The fourth proportional to 7,954.26, 11,931.42 and 2,760.14 is: 4,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.26 : 11,931.42 = 2,760.14 : x
  2. Step 2: Convert to fraction form
    7,954.26/11,931.42 = 2,760.14/x
  3. Step 3: Cross multiply
    7,954.26x = 11,931.42 × 2,760.14
  4. Step 4: Simplify right side
    7,954.26x = 32,932,329.94
  5. Step 5: Solve for x
    x = 32,932,329.94/7,954.26
  6. Step 6: Final answer
    x = 4,140.21

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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.