Home / 5,812.91-8,021.89-3,160.37

Finding the Fourth Proportional to 5,812.91, 8,021.89 and 3,160.37

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Solution

The fourth proportional to 5,812.91, 8,021.89 and 3,160.37 is: 4,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.91 : 8,021.89 = 3,160.37 : x
  2. Step 2: Convert to fraction form
    5,812.91/8,021.89 = 3,160.37/x
  3. Step 3: Cross multiply
    5,812.91x = 8,021.89 × 3,160.37
  4. Step 4: Simplify right side
    5,812.91x = 25,352,122.57
  5. Step 5: Solve for x
    x = 25,352,122.57/5,812.91
  6. Step 6: Final answer
    x = 4,361.35

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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.