Home / 5,404.11-7,455.71-3,165.77

Finding the Fourth Proportional to 5,404.11, 7,455.71 and 3,165.77

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Solution

The fourth proportional to 5,404.11, 7,455.71 and 3,165.77 is: 4,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.11 : 7,455.71 = 3,165.77 : x
  2. Step 2: Convert to fraction form
    5,404.11/7,455.71 = 3,165.77/x
  3. Step 3: Cross multiply
    5,404.11x = 7,455.71 × 3,165.77
  4. Step 4: Simplify right side
    5,404.11x = 23,603,063.05
  5. Step 5: Solve for x
    x = 23,603,063.05/5,404.11
  6. Step 6: Final answer
    x = 4,367.61

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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.