Home / 6,779.80-10,161.50-3,491.10

Finding the Fourth Proportional to 6,779.80, 10,161.50 and 3,491.10

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Solution

The fourth proportional to 6,779.80, 10,161.50 and 3,491.10 is: 5,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.80 : 10,161.50 = 3,491.10 : x
  2. Step 2: Convert to fraction form
    6,779.80/10,161.50 = 3,491.10/x
  3. Step 3: Cross multiply
    6,779.80x = 10,161.50 × 3,491.10
  4. Step 4: Simplify right side
    6,779.80x = 35,474,814.83
  5. Step 5: Solve for x
    x = 35,474,814.83/6,779.80
  6. Step 6: Final answer
    x = 5,232.43

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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.