Home / 5,367.42-7,406.96-3,129.39

Finding the Fourth Proportional to 5,367.42, 7,406.96 and 3,129.39

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Solution

The fourth proportional to 5,367.42, 7,406.96 and 3,129.39 is: 4,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.42 : 7,406.96 = 3,129.39 : x
  2. Step 2: Convert to fraction form
    5,367.42/7,406.96 = 3,129.39/x
  3. Step 3: Cross multiply
    5,367.42x = 7,406.96 × 3,129.39
  4. Step 4: Simplify right side
    5,367.42x = 23,179,250.91
  5. Step 5: Solve for x
    x = 23,179,250.91/5,367.42
  6. Step 6: Final answer
    x = 4,318.51

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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.