Home / 6,172.35-9,259.97-1,789.89

Finding the Fourth Proportional to 6,172.35, 9,259.97 and 1,789.89

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Solution

The fourth proportional to 6,172.35, 9,259.97 and 1,789.89 is: 2,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.35 : 9,259.97 = 1,789.89 : x
  2. Step 2: Convert to fraction form
    6,172.35/9,259.97 = 1,789.89/x
  3. Step 3: Cross multiply
    6,172.35x = 9,259.97 × 1,789.89
  4. Step 4: Simplify right side
    6,172.35x = 16,574,318.75
  5. Step 5: Solve for x
    x = 16,574,318.75/6,172.35
  6. Step 6: Final answer
    x = 2,685.25

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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.