Home / 4,410.20-6,614.68-1,123

Finding the Fourth Proportional to 4,410.20, 6,614.68 and 1,123

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Solution

The fourth proportional to 4,410.20, 6,614.68 and 1,123 is: 1,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,410.20 : 6,614.68 = 1,123 : x
  2. Step 2: Convert to fraction form
    4,410.20/6,614.68 = 1,123/x
  3. Step 3: Cross multiply
    4,410.20x = 6,614.68 × 1,123
  4. Step 4: Simplify right side
    4,410.20x = 7,428,285.64
  5. Step 5: Solve for x
    x = 7,428,285.64/4,410.20
  6. Step 6: Final answer
    x = 1,684.34

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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.