Home / 4,228.38-6,343.31-1,455.34

Finding the Fourth Proportional to 4,228.38, 6,343.31 and 1,455.34

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Solution

The fourth proportional to 4,228.38, 6,343.31 and 1,455.34 is: 2,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.38 : 6,343.31 = 1,455.34 : x
  2. Step 2: Convert to fraction form
    4,228.38/6,343.31 = 1,455.34/x
  3. Step 3: Cross multiply
    4,228.38x = 6,343.31 × 1,455.34
  4. Step 4: Simplify right side
    4,228.38x = 9,231,672.78
  5. Step 5: Solve for x
    x = 9,231,672.78/4,228.38
  6. Step 6: Final answer
    x = 2,183.26

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1.5x scale

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.