Home / 5,912.20-8,160.54-4,144.24

Finding the Fourth Proportional to 5,912.20, 8,160.54 and 4,144.24

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Solution

The fourth proportional to 5,912.20, 8,160.54 and 4,144.24 is: 5,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.20 : 8,160.54 = 4,144.24 : x
  2. Step 2: Convert to fraction form
    5,912.20/8,160.54 = 4,144.24/x
  3. Step 3: Cross multiply
    5,912.20x = 8,160.54 × 4,144.24
  4. Step 4: Simplify right side
    5,912.20x = 33,819,236.29
  5. Step 5: Solve for x
    x = 33,819,236.29/5,912.20
  6. Step 6: Final answer
    x = 5,720.25

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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.