Home / 5,344.40-7,379.38-4,163.42

Finding the Fourth Proportional to 5,344.40, 7,379.38 and 4,163.42

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Solution

The fourth proportional to 5,344.40, 7,379.38 and 4,163.42 is: 5,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.40 : 7,379.38 = 4,163.42 : x
  2. Step 2: Convert to fraction form
    5,344.40/7,379.38 = 4,163.42/x
  3. Step 3: Cross multiply
    5,344.40x = 7,379.38 × 4,163.42
  4. Step 4: Simplify right side
    5,344.40x = 30,723,458.28
  5. Step 5: Solve for x
    x = 30,723,458.28/5,344.40
  6. Step 6: Final answer
    x = 5,748.72

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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.