Home / 4,269.68-6,404.46-1,107.12

Finding the Fourth Proportional to 4,269.68, 6,404.46 and 1,107.12

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Solution

The fourth proportional to 4,269.68, 6,404.46 and 1,107.12 is: 1,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.68 : 6,404.46 = 1,107.12 : x
  2. Step 2: Convert to fraction form
    4,269.68/6,404.46 = 1,107.12/x
  3. Step 3: Cross multiply
    4,269.68x = 6,404.46 × 1,107.12
  4. Step 4: Simplify right side
    4,269.68x = 7,090,505.76
  5. Step 5: Solve for x
    x = 7,090,505.76/4,269.68
  6. Step 6: Final answer
    x = 1,660.66

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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.