Home / 6,776.80-10,161.58-3,442.99

Finding the Fourth Proportional to 6,776.80, 10,161.58 and 3,442.99

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Solution

The fourth proportional to 6,776.80, 10,161.58 and 3,442.99 is: 5,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.80 : 10,161.58 = 3,442.99 : x
  2. Step 2: Convert to fraction form
    6,776.80/10,161.58 = 3,442.99/x
  3. Step 3: Cross multiply
    6,776.80x = 10,161.58 × 3,442.99
  4. Step 4: Simplify right side
    6,776.80x = 34,986,218.32
  5. Step 5: Solve for x
    x = 34,986,218.32/6,776.80
  6. Step 6: Final answer
    x = 5,162.65

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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.