Home / 7,442.28-11,165.22-2,247.84

Finding the Fourth Proportional to 7,442.28, 11,165.22 and 2,247.84

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Solution

The fourth proportional to 7,442.28, 11,165.22 and 2,247.84 is: 3,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.28 : 11,165.22 = 2,247.84 : x
  2. Step 2: Convert to fraction form
    7,442.28/11,165.22 = 2,247.84/x
  3. Step 3: Cross multiply
    7,442.28x = 11,165.22 × 2,247.84
  4. Step 4: Simplify right side
    7,442.28x = 25,097,628.12
  5. Step 5: Solve for x
    x = 25,097,628.12/7,442.28
  6. Step 6: Final answer
    x = 3,372.30

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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.