Home / 6,811.46-10,215.02-2,193.38

Finding the Fourth Proportional to 6,811.46, 10,215.02 and 2,193.38

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Solution

The fourth proportional to 6,811.46, 10,215.02 and 2,193.38 is: 3,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.46 : 10,215.02 = 2,193.38 : x
  2. Step 2: Convert to fraction form
    6,811.46/10,215.02 = 2,193.38/x
  3. Step 3: Cross multiply
    6,811.46x = 10,215.02 × 2,193.38
  4. Step 4: Simplify right side
    6,811.46x = 22,405,358.53
  5. Step 5: Solve for x
    x = 22,405,358.53/6,811.46
  6. Step 6: Final answer
    x = 3,289.36

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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.