Home / 5,813.18-8,022.21-3,160.58

Finding the Fourth Proportional to 5,813.18, 8,022.21 and 3,160.58

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Solution

The fourth proportional to 5,813.18, 8,022.21 and 3,160.58 is: 4,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.18 : 8,022.21 = 3,160.58 : x
  2. Step 2: Convert to fraction form
    5,813.18/8,022.21 = 3,160.58/x
  3. Step 3: Cross multiply
    5,813.18x = 8,022.21 × 3,160.58
  4. Step 4: Simplify right side
    5,813.18x = 25,354,867.59
  5. Step 5: Solve for x
    x = 25,354,867.59/5,813.18
  6. Step 6: Final answer
    x = 4,361.62

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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.