Home / 6,156.80-9,231.94-2,690

Finding the Fourth Proportional to 6,156.80, 9,231.94 and 2,690

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Solution

The fourth proportional to 6,156.80, 9,231.94 and 2,690 is: 4,033.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.80 : 9,231.94 = 2,690 : x
  2. Step 2: Convert to fraction form
    6,156.80/9,231.94 = 2,690/x
  3. Step 3: Cross multiply
    6,156.80x = 9,231.94 × 2,690
  4. Step 4: Simplify right side
    6,156.80x = 24,833,918.60
  5. Step 5: Solve for x
    x = 24,833,918.60/6,156.80
  6. Step 6: Final answer
    x = 4,033.58

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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.