Home / 5,626.68-7,765.26-3,109.02

Finding the Fourth Proportional to 5,626.68, 7,765.26 and 3,109.02

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Solution

The fourth proportional to 5,626.68, 7,765.26 and 3,109.02 is: 4,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.68 : 7,765.26 = 3,109.02 : x
  2. Step 2: Convert to fraction form
    5,626.68/7,765.26 = 3,109.02/x
  3. Step 3: Cross multiply
    5,626.68x = 7,765.26 × 3,109.02
  4. Step 4: Simplify right side
    5,626.68x = 24,142,348.65
  5. Step 5: Solve for x
    x = 24,142,348.65/5,626.68
  6. Step 6: Final answer
    x = 4,290.69

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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.