Home / 5,379.87-8,066.36-2,090.26

Finding the Fourth Proportional to 5,379.87, 8,066.36 and 2,090.26

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Solution

The fourth proportional to 5,379.87, 8,066.36 and 2,090.26 is: 3,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.87 : 8,066.36 = 2,090.26 : x
  2. Step 2: Convert to fraction form
    5,379.87/8,066.36 = 2,090.26/x
  3. Step 3: Cross multiply
    5,379.87x = 8,066.36 × 2,090.26
  4. Step 4: Simplify right side
    5,379.87x = 16,860,789.65
  5. Step 5: Solve for x
    x = 16,860,789.65/5,379.87
  6. Step 6: Final answer
    x = 3,134.05

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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.