Home / 5,145.56-7,093.78-3,256.20

Finding the Fourth Proportional to 5,145.56, 7,093.78 and 3,256.20

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Solution

The fourth proportional to 5,145.56, 7,093.78 and 3,256.20 is: 4,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.56 : 7,093.78 = 3,256.20 : x
  2. Step 2: Convert to fraction form
    5,145.56/7,093.78 = 3,256.20/x
  3. Step 3: Cross multiply
    5,145.56x = 7,093.78 × 3,256.20
  4. Step 4: Simplify right side
    5,145.56x = 23,098,766.44
  5. Step 5: Solve for x
    x = 23,098,766.44/5,145.56
  6. Step 6: Final answer
    x = 4,489.07

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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.