Home / 6,908.11-10,361.91-1,977.74

Finding the Fourth Proportional to 6,908.11, 10,361.91 and 1,977.74

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Solution

The fourth proportional to 6,908.11, 10,361.91 and 1,977.74 is: 2,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.11 : 10,361.91 = 1,977.74 : x
  2. Step 2: Convert to fraction form
    6,908.11/10,361.91 = 1,977.74/x
  3. Step 3: Cross multiply
    6,908.11x = 10,361.91 × 1,977.74
  4. Step 4: Simplify right side
    6,908.11x = 20,493,163.88
  5. Step 5: Solve for x
    x = 20,493,163.88/6,908.11
  6. Step 6: Final answer
    x = 2,966.54

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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.