Home / 6,711.20-10,067.70-2,814.68

Finding the Fourth Proportional to 6,711.20, 10,067.70 and 2,814.68

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Solution

The fourth proportional to 6,711.20, 10,067.70 and 2,814.68 is: 4,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.20 : 10,067.70 = 2,814.68 : x
  2. Step 2: Convert to fraction form
    6,711.20/10,067.70 = 2,814.68/x
  3. Step 3: Cross multiply
    6,711.20x = 10,067.70 × 2,814.68
  4. Step 4: Simplify right side
    6,711.20x = 28,337,353.84
  5. Step 5: Solve for x
    x = 28,337,353.84/6,711.20
  6. Step 6: Final answer
    x = 4,222.40

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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.