Home / 5,136.56-7,091.24-3,561.92

Finding the Fourth Proportional to 5,136.56, 7,091.24 and 3,561.92

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Solution

The fourth proportional to 5,136.56, 7,091.24 and 3,561.92 is: 4,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.56 : 7,091.24 = 3,561.92 : x
  2. Step 2: Convert to fraction form
    5,136.56/7,091.24 = 3,561.92/x
  3. Step 3: Cross multiply
    5,136.56x = 7,091.24 × 3,561.92
  4. Step 4: Simplify right side
    5,136.56x = 25,258,376.32
  5. Step 5: Solve for x
    x = 25,258,376.32/5,136.56
  6. Step 6: Final answer
    x = 4,917.38

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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.