Home / 7,108.97-10,659.94-2,177.42

Finding the Fourth Proportional to 7,108.97, 10,659.94 and 2,177.42

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Solution

The fourth proportional to 7,108.97, 10,659.94 and 2,177.42 is: 3,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.97 : 10,659.94 = 2,177.42 : x
  2. Step 2: Convert to fraction form
    7,108.97/10,659.94 = 2,177.42/x
  3. Step 3: Cross multiply
    7,108.97x = 10,659.94 × 2,177.42
  4. Step 4: Simplify right side
    7,108.97x = 23,211,107.81
  5. Step 5: Solve for x
    x = 23,211,107.81/7,108.97
  6. Step 6: Final answer
    x = 3,265.05

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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.