Home / 7,887.56-11,836.61-3,270.56

Finding the Fourth Proportional to 7,887.56, 11,836.61 and 3,270.56

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Solution

The fourth proportional to 7,887.56, 11,836.61 and 3,270.56 is: 4,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.56 : 11,836.61 = 3,270.56 : x
  2. Step 2: Convert to fraction form
    7,887.56/11,836.61 = 3,270.56/x
  3. Step 3: Cross multiply
    7,887.56x = 11,836.61 × 3,270.56
  4. Step 4: Simplify right side
    7,887.56x = 38,712,343.20
  5. Step 5: Solve for x
    x = 38,712,343.20/7,887.56
  6. Step 6: Final answer
    x = 4,908.03

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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.