Home / 7,989.37-11,984.08-2,442.69

Finding the Fourth Proportional to 7,989.37, 11,984.08 and 2,442.69

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Solution

The fourth proportional to 7,989.37, 11,984.08 and 2,442.69 is: 3,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.37 : 11,984.08 = 2,442.69 : x
  2. Step 2: Convert to fraction form
    7,989.37/11,984.08 = 2,442.69/x
  3. Step 3: Cross multiply
    7,989.37x = 11,984.08 × 2,442.69
  4. Step 4: Simplify right side
    7,989.37x = 29,273,392.38
  5. Step 5: Solve for x
    x = 29,273,392.38/7,989.37
  6. Step 6: Final answer
    x = 3,664.04

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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.