Home / 5,626.94-7,765.11-3,109.03

Finding the Fourth Proportional to 5,626.94, 7,765.11 and 3,109.03

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Solution

The fourth proportional to 5,626.94, 7,765.11 and 3,109.03 is: 4,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.94 : 7,765.11 = 3,109.03 : x
  2. Step 2: Convert to fraction form
    5,626.94/7,765.11 = 3,109.03/x
  3. Step 3: Cross multiply
    5,626.94x = 7,765.11 × 3,109.03
  4. Step 4: Simplify right side
    5,626.94x = 24,141,940.53
  5. Step 5: Solve for x
    x = 24,141,940.53/5,626.94
  6. Step 6: Final answer
    x = 4,290.42

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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.