Home / 7,839.18-11,757.96-4,908.60

Finding the Fourth Proportional to 7,839.18, 11,757.96 and 4,908.60

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Solution

The fourth proportional to 7,839.18, 11,757.96 and 4,908.60 is: 7,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.18 : 11,757.96 = 4,908.60 : x
  2. Step 2: Convert to fraction form
    7,839.18/11,757.96 = 4,908.60/x
  3. Step 3: Cross multiply
    7,839.18x = 11,757.96 × 4,908.60
  4. Step 4: Simplify right side
    7,839.18x = 57,715,122.46
  5. Step 5: Solve for x
    x = 57,715,122.46/7,839.18
  6. Step 6: Final answer
    x = 7,362.39

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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.