Home / 7,107.45-10,660.87-2,177.43

Finding the Fourth Proportional to 7,107.45, 10,660.87 and 2,177.43

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Solution

The fourth proportional to 7,107.45, 10,660.87 and 2,177.43 is: 3,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.45 : 10,660.87 = 2,177.43 : x
  2. Step 2: Convert to fraction form
    7,107.45/10,660.87 = 2,177.43/x
  3. Step 3: Cross multiply
    7,107.45x = 10,660.87 × 2,177.43
  4. Step 4: Simplify right side
    7,107.45x = 23,213,308.63
  5. Step 5: Solve for x
    x = 23,213,308.63/7,107.45
  6. Step 6: Final answer
    x = 3,266.05

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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.