Home / 6,811.56-10,204.38-3,880.98

Finding the Fourth Proportional to 6,811.56, 10,204.38 and 3,880.98

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Solution

The fourth proportional to 6,811.56, 10,204.38 and 3,880.98 is: 5,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.56 : 10,204.38 = 3,880.98 : x
  2. Step 2: Convert to fraction form
    6,811.56/10,204.38 = 3,880.98/x
  3. Step 3: Cross multiply
    6,811.56x = 10,204.38 × 3,880.98
  4. Step 4: Simplify right side
    6,811.56x = 39,602,994.69
  5. Step 5: Solve for x
    x = 39,602,994.69/6,811.56
  6. Step 6: Final answer
    x = 5,814.09

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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.