Home / 7,299.91-10,950.09-2,857.39

Finding the Fourth Proportional to 7,299.91, 10,950.09 and 2,857.39

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Solution

The fourth proportional to 7,299.91, 10,950.09 and 2,857.39 is: 4,286.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.91 : 10,950.09 = 2,857.39 : x
  2. Step 2: Convert to fraction form
    7,299.91/10,950.09 = 2,857.39/x
  3. Step 3: Cross multiply
    7,299.91x = 10,950.09 × 2,857.39
  4. Step 4: Simplify right side
    7,299.91x = 31,288,677.67
  5. Step 5: Solve for x
    x = 31,288,677.67/7,299.91
  6. Step 6: Final answer
    x = 4,286.17

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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.