Home / 4,427.38-6,620.82-3,317.68

Finding the Fourth Proportional to 4,427.38, 6,620.82 and 3,317.68

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Solution

The fourth proportional to 4,427.38, 6,620.82 and 3,317.68 is: 4,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.38 : 6,620.82 = 3,317.68 : x
  2. Step 2: Convert to fraction form
    4,427.38/6,620.82 = 3,317.68/x
  3. Step 3: Cross multiply
    4,427.38x = 6,620.82 × 3,317.68
  4. Step 4: Simplify right side
    4,427.38x = 21,965,762.10
  5. Step 5: Solve for x
    x = 21,965,762.10/4,427.38
  6. Step 6: Final answer
    x = 4,961.35

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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.