Home / 5,083.12-7,626.05-2,120.59

Finding the Fourth Proportional to 5,083.12, 7,626.05 and 2,120.59

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Solution

The fourth proportional to 5,083.12, 7,626.05 and 2,120.59 is: 3,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.12 : 7,626.05 = 2,120.59 : x
  2. Step 2: Convert to fraction form
    5,083.12/7,626.05 = 2,120.59/x
  3. Step 3: Cross multiply
    5,083.12x = 7,626.05 × 2,120.59
  4. Step 4: Simplify right side
    5,083.12x = 16,171,725.37
  5. Step 5: Solve for x
    x = 16,171,725.37/5,083.12
  6. Step 6: Final answer
    x = 3,181.46

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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.