Home / 5,284.85-7,930.31-2,165.33

Finding the Fourth Proportional to 5,284.85, 7,930.31 and 2,165.33

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Solution

The fourth proportional to 5,284.85, 7,930.31 and 2,165.33 is: 3,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.85 : 7,930.31 = 2,165.33 : x
  2. Step 2: Convert to fraction form
    5,284.85/7,930.31 = 2,165.33/x
  3. Step 3: Cross multiply
    5,284.85x = 7,930.31 × 2,165.33
  4. Step 4: Simplify right side
    5,284.85x = 17,171,747.15
  5. Step 5: Solve for x
    x = 17,171,747.15/5,284.85
  6. Step 6: Final answer
    x = 3,249.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.