Home / 7,977.94-11,966.91-2,134.40

Finding the Fourth Proportional to 7,977.94, 11,966.91 and 2,134.40

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Solution

The fourth proportional to 7,977.94, 11,966.91 and 2,134.40 is: 3,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.94 : 11,966.91 = 2,134.40 : x
  2. Step 2: Convert to fraction form
    7,977.94/11,966.91 = 2,134.40/x
  3. Step 3: Cross multiply
    7,977.94x = 11,966.91 × 2,134.40
  4. Step 4: Simplify right side
    7,977.94x = 25,542,104.87
  5. Step 5: Solve for x
    x = 25,542,104.87/7,977.94
  6. Step 6: Final answer
    x = 3,201.59

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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.