Home / 6,222.40-9,333.60-1,839.90

Finding the Fourth Proportional to 6,222.40, 9,333.60 and 1,839.90

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Solution

The fourth proportional to 6,222.40, 9,333.60 and 1,839.90 is: 2,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.40 : 9,333.60 = 1,839.90 : x
  2. Step 2: Convert to fraction form
    6,222.40/9,333.60 = 1,839.90/x
  3. Step 3: Cross multiply
    6,222.40x = 9,333.60 × 1,839.90
  4. Step 4: Simplify right side
    6,222.40x = 17,172,890.64
  5. Step 5: Solve for x
    x = 17,172,890.64/6,222.40
  6. Step 6: Final answer
    x = 2,759.85

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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.