Home / 6,803.09-10,205.01-2,123.74

Finding the Fourth Proportional to 6,803.09, 10,205.01 and 2,123.74

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Solution

The fourth proportional to 6,803.09, 10,205.01 and 2,123.74 is: 3,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.09 : 10,205.01 = 2,123.74 : x
  2. Step 2: Convert to fraction form
    6,803.09/10,205.01 = 2,123.74/x
  3. Step 3: Cross multiply
    6,803.09x = 10,205.01 × 2,123.74
  4. Step 4: Simplify right side
    6,803.09x = 21,672,835.37
  5. Step 5: Solve for x
    x = 21,672,835.37/6,803.09
  6. Step 6: Final answer
    x = 3,185.73

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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.