Home / 7,887.56-11,835.92-2,960.62

Finding the Fourth Proportional to 7,887.56, 11,835.92 and 2,960.62

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Solution

The fourth proportional to 7,887.56, 11,835.92 and 2,960.62 is: 4,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.56 : 11,835.92 = 2,960.62 : x
  2. Step 2: Convert to fraction form
    7,887.56/11,835.92 = 2,960.62/x
  3. Step 3: Cross multiply
    7,887.56x = 11,835.92 × 2,960.62
  4. Step 4: Simplify right side
    7,887.56x = 35,041,661.47
  5. Step 5: Solve for x
    x = 35,041,661.47/7,887.56
  6. Step 6: Final answer
    x = 4,442.65

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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.