Home / 6,869.82-10,309.65-2,923.85

Finding the Fourth Proportional to 6,869.82, 10,309.65 and 2,923.85

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Solution

The fourth proportional to 6,869.82, 10,309.65 and 2,923.85 is: 4,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.82 : 10,309.65 = 2,923.85 : x
  2. Step 2: Convert to fraction form
    6,869.82/10,309.65 = 2,923.85/x
  3. Step 3: Cross multiply
    6,869.82x = 10,309.65 × 2,923.85
  4. Step 4: Simplify right side
    6,869.82x = 30,143,803.99
  5. Step 5: Solve for x
    x = 30,143,803.99/6,869.82
  6. Step 6: Final answer
    x = 4,387.86

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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.