Home / 5,813.38-8,022.47-3,160.78

Finding the Fourth Proportional to 5,813.38, 8,022.47 and 3,160.78

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Solution

The fourth proportional to 5,813.38, 8,022.47 and 3,160.78 is: 4,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.38 : 8,022.47 = 3,160.78 : x
  2. Step 2: Convert to fraction form
    5,813.38/8,022.47 = 3,160.78/x
  3. Step 3: Cross multiply
    5,813.38x = 8,022.47 × 3,160.78
  4. Step 4: Simplify right side
    5,813.38x = 25,357,262.73
  5. Step 5: Solve for x
    x = 25,357,262.73/5,813.38
  6. Step 6: Final answer
    x = 4,361.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.