Home / 5,396.56-7,447.44-3,158.68

Finding the Fourth Proportional to 5,396.56, 7,447.44 and 3,158.68

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Solution

The fourth proportional to 5,396.56, 7,447.44 and 3,158.68 is: 4,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.56 : 7,447.44 = 3,158.68 : x
  2. Step 2: Convert to fraction form
    5,396.56/7,447.44 = 3,158.68/x
  3. Step 3: Cross multiply
    5,396.56x = 7,447.44 × 3,158.68
  4. Step 4: Simplify right side
    5,396.56x = 23,524,079.78
  5. Step 5: Solve for x
    x = 23,524,079.78/5,396.56
  6. Step 6: Final answer
    x = 4,359.09

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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.